In the growing wearable health market, a TENS/EMS smartwatch is more than just a gadget—it’s a medical-grade wearable device that delivers pain relief, muscle stimulation, and rehabilitation support in a convenient wrist-worn form.
Geyan Technologies, a national high-tech enterprise based in Shenzhen, China, specializes in OEM/ODM manufacturing of smart healthcare devices, helping brands and distributors create their own customized TENS and EMS smartwatch product lines with professional quality and rapid delivery.

TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electrical Muscle Stimulation) technologies are widely recognized for their effectiveness in:
Pain management and relief of chronic aches
Muscle recovery after workouts
Rehabilitation therapy and physical therapy support
Everyday wellness and home healthcare
By integrating these technologies into a smartwatch, your brand can offer portable, wearable, and user-friendly solutions for consumers and patients, meeting growing demand for personalized health devices.
Key Benefits:
Discreet wearable design for home, office, or fitness use
Multi-mode therapy options with adjustable intensity
User-friendly interface with intuitive controls
Integration with mobile apps for tracking and control
At Geyan Technologies, we provide end-to-end customization services:
Custom logo engraving on the device
Brand color matching and packaging design
Reinforced brand identity on every wearable
Tailored interface and multi-language support
Intuitive controls designed for your target market
App integration and mobile connectivity options (Bluetooth/Wi-Fi)
Custom PCB/PCBA layout and electrode design
Choice of battery type, device size, and materials
Optional smart features such as notifications, health tracking
Medical-grade safety standards with ISO, CE, FCC, RoHS certifications
FSA/HSA eligible for North American healthcare markets
Patented algorithms for safe low-voltage stimulation

Whether you are testing a new concept or scaling to full production, Geyan Technologies provides:
Small-batch prototyping: 10–50 units to validate design and market demand
Pilot production: 50–200 units for market testing
Mass production: Seamless transition to thousands of units
Located in Shenzhen’s electronics hub, we ensure fast iterations, agile supply chains, and cost-effective manufacturing, delivering “Shenzhen speed” without compromising quality.
Our smartwatches are ideal for:
Healthcare providers: physical therapy clinics, rehab centers
Fitness and wellness brands: gyms, sports recovery studios
Distributors and private-label brands: companies seeking a differentiated product line
Corporate wellness programs: branded health gifts for employees
By providing a customizable smartwatch with medical-grade functionality, your brand can stand out in a crowded wearable market.
Expert OEM/ODM Partner: One-stop solution from design to mass production
Medical-grade reliability: Patented technology ensures safety and performance
Custom branding options: From logo, UI, PCB, to packaging
Fast turnaround: Prototype to sample delivery in as little as 10 days
Global market compliance: ISO, CE, FCC, RoHS certifications, FSA/HSA eligible
Bring your wearable pain relief solution to life with Geyan Technologies. We help brands create customized smartwatches that combine innovative therapy technology, stylish design, and professional quality.
From “Made in China” to “Smart Manufacturing in China” — Geyan Technologies empowers your brand to compete globally.