In today’s ultra-competitive wearables market, “customization” is one of the most misused words. Most suppliers simply offer cosmetic edits—logo printing, watch-face swapping, or color variations—while relying on identical reference designs that dozens of factories share.
At Shenzhen Geyan Technology, customization means engineering—not decoration.
As a full-stack OEM/ODM smartwatch manufacturer, we empower brands, med-tech
innovators, and solution providers to build uniquely differentiated wearable devices—from the
hardware architecture to the cloud services.
This article reveals how our vertically integrated R&D—hardware, firmware, algorithms, UI/UX, mobile apps, and manufacturing—enables true end-to-end customization that others cannot replicate.
Modern consumer and enterprise clients demand far more than basic steps and heart rate. They expect:
· Clinically meaningful insights (HRV, SpO₂ trends, sleep staging)
· Tailored UI/UX for specific demographics or markets
· Seamless integrations with Apple Health, Google Fit, EHR systems, enterprise wellness platforms
· Localization for Arabic RTL, Hijri calendar, or region-specific compliance (FCC, CE, RoHS)
· Proprietary functionality competitors cannot reverse engineer
Achieving this requires a partner with in-house engineering—not copy-paste assembly.
Geyan’s 60+ engineers cover electrical design, embedded software, signal processing, UI/UX, mobile app development, and cloud integration—ensuring every layer of the smartwatch is purpose-built.
When buyers search “PCB design smartwatch,” they are looking for a partner who can architect the electronics—not just assemble a generic board.
· 4–10 layer rigid-flex PCBs optimized for compact smartwatch form factors
· Precision impedance control for Bluetooth LE, SPI, I²C, and sensor buses
· EMC/EMI compliance strategies to ensure smooth FCC/CE certification
· Advanced low-power routing that boosts battery efficiency by 15–30% compared to standard reference designs
Configurable based on project needs:
· Health: ECG (ATS3607), PPG (MAX30102/30105), bioimpedance, skin temperature
· Navigation: GPS/GLONASS, barometric altimeter
· Connectivity: NFC, BLE 5.2/5.3, optional Wi-Fi
· Audio: MEMS mic + speaker for calling & voice assistant
Our firmware layer supports rapid migration to platforms such as:
· Realtek RTL8762DK/CK (cost-optimized smartwatches)
· Nordic nRF52840 / nRF54 series (medical-grade reliability)
· Ambiq Apollo4 Blue Plus (ultra-low power + always-on displays)
· ATS3085/ATS3607 (ECG + PPG fusion processing)
· CNC aluminum / zinc alloy / ceramic housings
· IP68 / 3ATM sealing via laser-welded structures
· High-brightness 1000-nit AMOLED/LTPS displays
· Ergonomic strap & lug geometry for 24/7 comfort
Result: A hardware platform engineered exclusively for your brand—never shared, never generic.
Most vendors only allow superficial UI re-skins. Geyan develops firmware at the driver, RTOS, and algorithm levels.
· Custom drivers with adaptive gain control for PPG/ECG/IMU
· BLE stack optimization for sub-1-second pairing and stable reconnection
· Power state machine redesign for ultra-low standby current
· Secure boot, encrypted OTA updates, and rollback protection
All developed internally and tailored per client:
· Sleep Architecture: REM/Deep/Light staging via multi-sensor fusion
· PPG Engine: Motion-artifact-resistant filtering
· ECG Suite: R-R interval, AFib screening, waveform classification
· 100+ Sports Modes with customizable metrics, coaching logic, and on-wrist notifications
Unlike theme-based vendors, our UI engine enables:
· Fully customized navigation structures
· Vector icons, custom typography (Arabic, Devanagari, Nastaliq)
· Micro-animations, gesture controls, dynamic tiles
· Specialized modules:
o Prayer time + Qibla direction
o Women’s cycle monitoring
o Industrial safety alerts (HR peak, fall detection)
This is true smartwatch firmware customization—not surface-level branding.
A smartwatch is only half the ecosystem. Geyan provides the full digital infrastructure.
· Fully branded UI (React Native / Swift / Kotlin)
· Real-time charts for HR, SpO₂, steps, HRV trends
· Notification control, device management, OTA updates
· AWS/Azure/GCP cloud services with GDPR-compliant data handling
Designed for B2B platforms:
· RESTful APIs for real-time biometric data
· Webhooks for safety alerts & HR thresholds
· On-premise deployment (medical, defense, energy sectors)
· Role-based permissions
· Apple HealthKit & Google Fit
· Slack / Microsoft Teams alerts
· Mapbox / Google Maps sports GPS replay
· 20+ localized languages including RTL
Our Shenzhen facility supports both agility and precision.
· 72-hour EVT prototyping (in-house SMT)
· Automated per-unit sensor calibration (PPG/ECG test jigs)
· Reliability testing: aging, drop, salt spray, thermal cycling
· 100% functional QC (sensor, display, BLE, battery)
· IP68 waterproof testing in pressurized chambers
Time to market:
· EVT samples: 3 days
· Pilot run: 10 days
· Mass production: 15–20 days
500+ customized smartwatch projects delivered across North America, Europe, MENA, and APAC.
· GPS + magnetometer Qibla algorithm
· Hijri calendar, prayer engine, mosque database
· Arabic-first RTL UI with Quranic typography
· AMOLED optimization for dawn-prayer visibility
· Custom VO₂ max prediction model
· Interval training engine + haptic pacing coach
· Tight API integration with client’s existing fitness platform
· Nordic nRF52840 with high-frequency sampling
· Real-time HRV fatigue detection
· BLE mesh broadcasting to safety supervisors
· On-premise cloud for data sovereignty
· ATEX-ready housing design
Cosmetic
customization is obsolete.
The brands that win are those that engineer differentiation from the inside
out.
Geyan
Technology provides:
✔ Hardware designed from scratch
✔ Firmware engineered at driver/RTOS
level
✔ A custom UI framework—not templates
✔ White-label apps & enterprise
APIs
✔ Scalable manufacturing with strict QA
We
don’t just produce smartwatches—
we co-create
next-generation wearable solutions that reflect your vision, not ours.
The G43 AMOLED Smartwatch is a premium wearable designed for users who demand both style and performance. Built with a high-brightness 2.15" AMOLED display, advanced health sensors, long battery endurance and customizable watch faces, it delivers a refined all-in-one smartwatch experience for fitness, business and everyday life.
· 2.15-inch full-screen AMOLED with ultra-narrow bezels
· 60Hz refresh rate for smooth animations
· Up to 1000 nits brightness for clear outdoor visibility
· Multiple color options with metallic finishes
· High-end leather / silicone strap combinations
The G43 blends elegant craftsmanship with modern aesthetics, suitable for business wear or active lifestyles.
· Smooth, intuitive app grid & menu interactions
· Customizable widgets, quick-access panels, and dynamic watch faces
· Smart notifications: calls, messages, social apps
· Bluetooth calling with built-in speaker & mic
· Voice assistant support
Its user-friendly interface ensures seamless daily use.
· 24/7 heart rate monitoring
· SpO₂ blood oxygen tracking
· Sleep analysis (deep/light/REM stages)
· Stress monitoring
· Menstrual cycle tracking for women
· AI motion recognition and automatic sport mode detection
· 120+ sports modes including running, swimming, cycling, yoga, and more
Perfect for users who want scientific, real-time wellness insights.
· Multi-sport tracking with GPS-assisted accuracy
· Sport-specific metrics such as pace, calories, distance, cadence, and heart rate zones
· Real-time workout data display
· Post-training analysis and progress visualization
Ideal for athletes or users with active fitness routines.
· 380 mAh large battery
· Up to 7–10 days of daily use
· Up to 20+ days standby
· 3ATM-level waterproof design for everyday protection
· Magnetic fast charging
The G43 is optimized for efficiency and durability.
· Music control
· Weather, alarm, timer, stopwatch
· Find-phone function
· Calculator
· Custom watch faces (DIY photo face support)
· Multi-language system support
A complete suite of daily smart tools in one device.
· Compatible with Android & iOS
· Real-time sync of health & fitness data
· Cloud-based watch face library
· Secure Bluetooth 5.2 connectivity
The companion app offers deeper insights and customization options.
· Premium gift-ready packaging
· Magnetic charging cable
· Multiple strap options (leather, silicone)
· User manual
Designed for retail, distribution, or corporate gifting.
The G43 AMOLED Smartwatch is a flagship-level wearable combining premium design, advanced health tracking, powerful sports features, and a vibrant AMOLED display. Whether for personal users, fitness enthusiasts, business professionals, or OEM/ODM customization projects, it delivers exceptional performance and value.
