A smart watch with heart rate monitor is a core wearable health device that integrates real-time physiological tracking, daily fitness recording, and intelligent communication functions. Equipped with high-precision optical sensors and optimized algorithm systems, modern heart rate monitoring smartwatches can capture continuous heart activity data, helping individual users manage daily health and enabling enterprises to launch professional health wearable product lines.
In recent years, global demand for preventive health management and personalized fitness monitoring has surged, making health monitoring smart watches one of the fastest-growing segments in the wearable electronics industry. Unlike ordinary consumer smartwatches focusing only on entertainment and notification functions, health monitoring smart watches take physiological data tracking as the core, meeting the procurement and customization needs of fitness brands, health management platforms, corporate gift companies, and smart hardware startups.

For B2B buyers, choosing mature smartwatch OEM manufacturers with independent R&D capabilities is the key to launching competitive heart rate monitoring wearable products. Shenzhen Geyan Technology, a national high-tech enterprise with nearly 15 years of industry experience, specializes in customized smart watch solutions, providing standardized and personalized smart watch with heart rate monitor products and one-stop OEM/ODM services for global clients.
A smart watch with heart rate monitor is a professional wearable device embedded with photoplethysmography (PPG) optical sensors, designed to detect, analyze, and record human heart rate changes in real time. It differs from ordinary smartwatches by prioritizing health data accuracy and continuous monitoring capability, supporting 24/7 all-day heart activity tracking without frequent manual operation.
The core working principle relies on PPG Optical Sensor Technology, the mainstream solution for consumer-grade health wearables worldwide. The built-in green LED lights emit stable light sources that penetrate superficial skin blood vessels, capture real-time blood flow pulse changes, and transmit signal data to the built-in system. After professional algorithm filtering and analysis, the device converts original pulse signals into accurate heart rate data, realizing real-time monitoring, data recording, and abnormal reminder functions.
Beyond basic heart rate tracking, mainstream heart rate monitoring smartwatches expand diversified health detection functions, including blood oxygen monitoring, sleep quality analysis, and stress level detection, forming a complete personal health data management system. This multi-functional advantage makes heart rate monitoring smartwatches widely applicable in consumer fitness, elderly health care, corporate health management, and customized gift scenarios.
Heart rate monitoring of smartwatches follows a standardized three-step technical process, with stable and reliable data collection and analysis, fully meeting daily health tracking and fitness exercise monitoring needs. This step-by-step working mechanism also ensures the stable operation of mass-produced OEM customized products, reducing after-sales data deviation problems.
The high-sensitivity PPG heart rate sensor built in the watch continuously emits green light to detect skin blood vessel dilation and contraction changes, capturing real-time blood flow signals and pulse waveform data. Geyan Technology’s customized smart watches adopt upgraded sensor modules, which can effectively resist light interference and motion jitter, ensuring stable signal collection whether in static rest or dynamic exercise state.
The watch’s built-in Android system processes the collected original pulse data through independent optimized algorithms, automatically filtering invalid noise signals generated by arm shaking, ambient light changes, and skin friction. The system accurately calculates real-time heart rate frequency, identifies heart rhythm fluctuation trends, and matches user activity status (rest, walking, strenuous exercise) to correct data errors.
After algorithm analysis, the effective heart rate data is synchronously displayed on the watch HD screen and automatically saved in the system background. Users can view real-time instantaneous heart rate, resting heart rate data, and daily/weekly heart rate change trends. Meanwhile, the data can be synchronized to the supporting mobile APP and cloud platform to form systematic health reports.
Note: Smart watches with heart rate monitor are designed for daily health trend tracking and fitness management, suitable for consumer daily monitoring and corporate scenario application. They are not professional medical devices and cannot replace medical diagnosis and treatment equipment.
Geyan Technology’s newly launched FS04 ultra-thin 4G Android smart watch is a flagship customized health wearable product, integrating high-precision heart rate monitoring, full-network 4G communication, and high-performance operating system. It balances portability, functionality, and practicability, becoming a hot-selling model for brand OEM customization, corporate procurement, and fitness product matching.
Equipped with industrial-grade PPG heart rate sensors, the FS04 smart watch supports full-time automatic heart rate monitoring, covering resting heart rate, daily static heart rate, and sports dynamic heart rate. It realizes automatic abnormal heart rate reminders, effectively helping users perceive physical state changes. Compared with ordinary entry-level smartwatches, its anti-interference ability is significantly improved, and the data matching degree with professional monitoring equipment is higher in daily scenarios.
Based on accurate heart rate data, the watch supports multi-dimensional fitness recording functions, including step counting, calorie consumption calculation, and movement distance statistics. It adapts to multiple sports scenarios such as running, cycling, walking, and gym training, providing professional data support for fitness enthusiasts and sports brand product matching.
Combined with heart rate fluctuation rules during sleep, the FS04 watch intelligently analyzes sleep duration, deep sleep/light sleep cycle, and overall sleep quality. It also supports stress level monitoring and breathing training guidance, helping users relieve daily fatigue and realize all-round personal health management.
Different from traditional Bluetooth-only heart rate monitoring smartwatches, the FS04 model adopts independent 4G cellular network design, supporting global mainstream frequency bands of Europe, Asia, and America, realizing independent call and network access without mobile phone connection. Powered by Unisoc 8541E quad-core 1.4GHz processor and Android 8.1 system, it runs smoothly with high system security, supporting free download and installation of various health and fitness apps.
Adopting ultra-thin business body design with hidden HD camera, the watch has a super high screen ratio 2.06-inch HD display (410*502 resolution). Equipped with 800mAh high-capacity battery, it ensures long-lasting battery life for daily health monitoring and intelligent use, solving the pain point of frequent charging of traditional health smartwatches.
Most low-end ordinary heart rate smartwatches on the market only retain basic monitoring functions, with single configuration, poor stability, and limited application scenarios. The following parameter comparison clearly shows the core advantages of Geyan FS04 customized smart watch in hardware configuration, functional experience, and commercial practicability, which is more suitable for B-end brand customization and batch procurement.
|
Core Parameter |
Geyan FS04 Ultra-Thin 4G Smart Watch |
Ordinary Entry-Level Heart Rate Smart Watch |
|
Network Mode |
Global 4G full-network independent communication, supporting Europe/Asia/America multi-band adaptation |
Single Bluetooth connection, dependent on mobile phone network, no independent call function |
|
Processor & System |
Unisoc 8541E quad-core 1.4GHz, Android 8.1 high-security system |
Low-power single-core chip, customized simplified system, poor operation fluency |
|
Memory Configuration |
2+16GB/2+32GB/4+64GB optional, free app download |
Fixed low memory, unable to install third-party apps |
|
Display Effect |
2.06-inch 410*502 HD resolution, ultra-high screen ratio |
Low-resolution ordinary screen, blurred display, low screen occupation ratio |
|
Heart Rate Monitoring Performance |
Industrial-grade PPG sensor, anti-shake and anti-light interference, high data accuracy |
Ordinary low-precision sensor, susceptible to external interference, large data error |
|
Battery Capacity |
800mAh large-capacity battery, stable long-term endurance |
300-500mAh small battery, short battery life, frequent charging |
|
Customization Support |
Full hardware, software, logo, packaging, APP customized OEM/ODM |
No customization support, only standard finished products supplied |
With the popularization of healthy living concepts, global consumers’ awareness of personal preventive health management continues to improve. Real-time monitoring of heart rate, sleep, and physical state has become a rigid demand for daily life, fitness exercise, and elderly health care. Health wearable products with heart rate monitoring as the core have stable market demand and low industry substitution risk, which is the preferred track for consumer electronics brands to expand product lines.
Heart rate monitoring smart watches have strong scenario adaptability, meeting the layout needs of multiple B-end customer groups:
Fitness & Sports Brands: Customized professional heart rate monitoring watches support multi-sport data tracking, which can be matched with gym training courses and sports equipment sales to improve product professionalism and user stickiness.
Healthcare & Elderly Care Companies: Real-time heart rate data monitoring and abnormal reminders are suitable for remote elderly health management and community health service projects, realizing intelligent health tracking.
Corporate & Gift Customization Enterprises: As high-end corporate welfare and business promotional gifts, customized logo heart rate smart watches have high brand display value and practicality, with high market acceptance.
Consumer Electronics Startups: Low-threshold OEM customization services help new brands quickly launch mature health wearable products, reducing R&D costs and time costs.
Founded in 2012, Shenzhen Geyan Technology Co., Ltd. is a national high-tech enterprise with nearly 15 years of smart wearable R&D and manufacturing experience. As a standing committee member unit of Smart Wearable Industry Association and Chip Industry Promotion Association, we have independent R&D teams, precision production workshops, and complete quality control systems, providing one-stop customized OEM/ODM services for global customers.
We support personalized customization of watch appearance and hardware configuration, including ultra-thin body design, watch case material and color customization, HD display parameter adjustment, removable silicone strap replacement, and hidden camera function optimization. Customers can adjust hardware parameters according to brand positioning and user groups to create differentiated custom smart watch with heart rate monitor products.
On the basis of standard PPG heart rate sensors, we support expanded integration of SpO₂ blood oxygen sensors, temperature sensors, and optional ECG sensors, enriching product health detection functions. According to customer scenario needs, we can adjust sensor sensitivity and data acquisition frequency to adapt to sports fitness, elderly health care and other different usage environments.
Based on the mature Android system, we provide full firmware customization, including system UI interface design, exclusive watch face customization, function menu adjustment, and multi-language adaptation (supporting 20+ mainstream languages worldwide). At the same time, we support independent supporting APP development and cloud platform data docking, realizing exclusive brand data management services.
We provide full-link brand customization services, including brand logo laser printing, exclusive product packaging design, customized user manuals, and brand official APP launching. Support private label OEM production, helping customers build independent brand product systems and improve market competitiveness.
To meet the needs of different stages of brand development, we support prototype development, small-batch trial production, and large-scale mass production with flexible MOQ. All products pass CE, FCC, RoHS and other international certifications, meeting the sales standards of European, American, Southeast Asian and other global markets, with stable product quality and compliant export qualifications.
A professional European fitness brand cooperated with Geyan Technology to customize FS04 upgraded heart rate monitoring smart watches. According to the customer's sports scenario needs, we optimized the motion anti-interference algorithm of the heart rate sensor, added exclusive sports data statistical templates, and customized brand exclusive UI and packaging. The products are mainly used for gym member matching sales and sports training supporting equipment. After launching, the product data accuracy rate increased by 18% compared with ordinary products, and the customer's product repurchase rate increased significantly.
A large Middle Eastern enterprise customized 5,000 pieces of logo-printed heart rate monitoring smart watches as employee welfare and business gifts. We completed brand logo customization, Arabic language system adaptation, and exclusive gift box packaging optimization for the customer. The FS04 ultra-thin business appearance and stable 4G network function meet the high-end gift positioning, and the all-day heart rate health monitoring function meets the corporate employee health care needs, winning high customer recognition.
A domestic health management platform customized elderly-oriented heart rate monitoring smart watches with us. On the basis of FS04 standard configuration, we simplified the system operation interface, strengthened heart rate abnormal high and low value reminder functions, and realized cloud data real-time synchronization to the platform background, facilitating remote family and platform health monitoring. The products are widely used in community elderly care projects, with stable operation and good user feedback.

|
Item |
Detailed Specification |
|
Processor |
Unisoc 8541E quad-core 1.4GHz |
|
Operating System |
Android 8.1 |
|
Memory & Storage |
2+16GB / 2+32GB / 4+64GB (optional) |
|
Display Screen |
2.06 inch, 410*502 HD resolution, ultra-high screen ratio |
|
Core Sensor |
High-precision PPG heart rate sensor |
|
Network Band |
Global 2G/3G/4G multi-band, Europe/Asia/America version optional |
|
Auxiliary Functions |
Bluetooth, WIFI, GPS, hidden HD camera |
|
Battery Capacity |
800mAh high-capacity battery |
|
Health Functions |
24H heart rate monitoring, step counting, sleep monitoring, stress detection |
|
Supported Languages |
20+ global mainstream languages including English, Spanish, French, Arabic, etc. |
|
Watchband Material |
Removable silicone strap |
Excellent wearable manufacturers must have professional hardware, firmware and APP R&D teams, capable of independent sensor debugging, algorithm optimization and system customization. Geyan Technology relies on years of technical accumulation in the smart wearable industry, realizing independent research and development of core health monitoring algorithms, avoiding generic template functions, and ensuring product differentiation and stability.
Health monitoring smart watches have higher requirements for sensor accuracy and data stability than ordinary smartwatches. We have long-term experience in cooperating with global fitness brands, health platforms and gift customization enterprises, proficient in various scenario-based customization needs, and can quickly optimize products for different market demands.
For start-up brands and small and medium-sized enterprises, flexible small-batch trial production is essential. Geyan Technology supports prototype customization, small-batch trial order and large-scale mass production, with standardized production workshops and perfect supply chain system, ensuring fast delivery and stable product quality.
Export-oriented customized products need to meet regional certification standards. All our smart watch products have passed CE, FCC, RoHS and Bluetooth official certifications, fully adapting to the access standards of global mainstream markets, helping customers avoid export qualification risks.
As professional fitness smartwatch OEM products, heart rate monitoring watches provide accurate sports heart rate data support for gyms, sports training institutions and fitness brands, helping users formulate scientific exercise plans.
Customized corporate health smartwatch products are used for employee health management and corporate welfare distribution, helping enterprises build employee health care systems and enhance corporate cohesion.
As mature medical health wearable solutions, the products are applied to community health care, elderly remote monitoring and chronic disease daily management scenarios, providing effective data reference for health management.
With customizable logo and packaging, the watches are high-quality custom logo smart watch supplier products, suitable for business promotions, holiday gifts and brand marketing activities.
Smart watches measure heart rate through built-in PPG optical sensors. The green LED lights capture skin blood flow and pulse signal changes, and the optimized built-in algorithm analyzes and converts the original signals into accurate real-time heart rate data, realizing continuous all-day monitoring.
Geyan’s heart rate monitoring smart watches adopt upgraded industrial-grade sensors and anti-interference algorithms. The data is highly accurate in daily static and conventional sports scenarios, suitable for daily health trend tracking and fitness data recording. The accuracy will be slightly affected by extreme strenuous exercise and irregular wearing, and the product is not used for professional medical diagnosis.
Yes. Geyan Technology provides full-process OEM/ODM customization services for heart rate monitoring smart watches, covering hardware configuration adjustment, software system optimization, UI/APP customization, brand logo printing, packaging design and other personalized services to meet differentiated brand and scenario needs.
The standard configuration adopts high-precision PPG heart rate sensor. On-demand optional expanded sensors include SpO₂ blood oxygen sensor, body temperature sensor and ECG electrocardiogram sensor, realizing multi-dimensional health data monitoring.
We support flexible MOQ according to customer customization requirements. We accept prototype development and small-batch trial orders for new brands, and support large-scale mass production for mature brand orders, with flexible and adjustable production schemes.
As a professional China smart watch manufacturer and senior smartwatch ODM factory, Geyan Technology has focused on smart wearable R&D and production for nearly 15 years. We own independent brands such as Jieshilang, Jersa and xinan, and have rich market verification and technical accumulation in health monitoring smart wearables.
Different from ordinary processing factories, we take "Learning – Innovation – Surpassing" as our business philosophy, take customer demand as the core, and provide one-stop services from product design, R&D and production to after-sales support. Our professional R&D team can quickly respond to personalized customization needs, strict quality control system ensures product qualification rate, and global customer service team provides 24-hour professional technical support and order follow-up.
We not only provide standardized custom wearable device manufacturer services, but also provide targeted scenario solutions for fitness, health care, corporate gifts and other industries, helping global customers quickly seize the health wearable market and create high-value brand products.
The smart watch with heart rate monitor has become a mainstream product in the global health wearable market due to its practical health monitoring function and wide scenario adaptability. With the upgrading of consumer health awareness and the expansion of B-end customized demand, high-configured, high-precision and customizable health monitoring smartwatches will have broader market prospects.
Geyan Technology’s FS04 ultra-thin 4G Android heart rate monitoring smart watch, with its superior hardware configuration, stable health monitoring performance and flexible OEM customization capabilities, has become the preferred product for global brand customization and bulk procurement. Whether you need standard finished product procurement or personalized private label customization, we can provide cost-effective and high-quality smartwatch manufacturing solutions.
Looking for a reliable smart watch OEM manufacturer with professional heart rate monitoring solutions? Contact Geyan Technology now to get customized product development, mass production support and exclusive industry solutions.