| Model NO. | TK20 | 
| Material | Silicone | 
| Feature | Bluetooth, Water Resistant | 
| ECG+PPG | Yes, Support | 
| Battery Capcaity | 280mAh | 
| Waterproof | IP68 | 
| Screen Type | IPS HD TFT | 
| Charging Type | Wireless charging | 
| ECG chip | VC8808 | 
| PPG chip | VP60A2 Heart Rate | 
| Endurance Time | Use for 7-12 days and stand by for 30-40 days | 
| BLuetooth | 5.0BLE (low power consumption) | 
| Color | TPU black, blue, red, leather black, leather brown | 
| Screen Size | 1.39inch | 
| Blood Glucose | Yes, Support | 
| Blood Pressure | Yes, Support | 
| Thermometer | Yes, Support | 
| Heart Rate | Yes, Support | 
| Transport Package | Giftbox Package | 
| Specification | CE, RoHS | 
| Trademark | OEM | 
| Origin | Shenzhen, China | 
| HS Code | 85176290 | 
| Production Capacity | 2000PCS/Day | 
 
                 
                 
                     
                    