SIFIT-6.5 Blutooth Smart Bracelet Pedometer ECG Heart rate
Specifications :Â
* ECG, Heart Rate Wristband
*Â Li-Battery: 70mAH/3.7VÂ
* Â Voltage: 3.3V
* Â USD Charging: 5V+/-5%
* Â Working Time: >=5days
* Charging time: 2-3h
* Bluetooth Distance: >=4m (no block )
* OLED, blue-on-black
* Temp: -10°C to 55°C
* Button control
* Water-proof: IP67