As digital health, IoT, and smart campus projects expand rapidly, more system integrators are searching for a reliable smartwatch SDK supplier for system integrators — not just a device vendor, but a technical partner that can provide open SDK, API interfaces, and full firmware customization.

Shenzhen Geyan Technology Co., Ltd., founded in 2012, is a professional smartwatch OEM & ODM manufacturer specializing in SDK-based smartwatch solutions for system integrators, software companies, and IoT solution providers worldwide.
Traditional consumer smartwatches are closed systems and cannot support:
· Private Bluetooth protocol docking
· API interface integration
· Data synchronization with ERP / HIS / IoT platforms
· Customized firmware logic
· Industrial-level security and encryption
System integrators require open SDK smartwatches to build professional wearable solutions.
· Android / iOS SDK packages
· Custom Bluetooth communication protocols
· RESTful / WebSocket API support
· Real-time data transmission & cloud docking
· Custom sensor data algorithms
· OTA remote upgrade system
· Device binding, user management, encryption modules
· Low-power firmware optimization
· NRF52840 / NRF5340
· ESP32 / ESP32-S3
· GPS, NFC, RFID, temperature, SpO₂, heart rate sensors
· Full custom PCB design & BOM optimization
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Industry |
Application |
|
Healthcare |
Remote patient monitoring |
|
Smart Factory |
Worker safety management |
|
Education |
Smart campus attendance |
|
Government |
Public institution wearable projects |
|
Logistics |
Staff positioning & dispatch systems |
|
Capability |
Your Benefit |
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Open SDK & API interfaces |
Easy system integration |
|
In-house firmware team |
Deep-level customization |
|
Low MOQ ODM projects |
Reduced project risk |
|
Stable mass production |
Long-term supply security |
|
CE / FCC / RoHS support |
Global market compliance |

If you are developing a professional wearable project and need a reliable smartwatch SDK supplier for system integrators, choosing the right partner is critical.
Contact Geyan Technology today to receive:
· SDK & API technical documents
· Sample testing devices
· Firmware customization evaluation
· ODM/OEM project quotation
Build your professional wearable system with a real smartwatch SDK supplier — not a closed consumer device.