Sell Smart health monitoring watch/ Sports bracelet, heart rate ECG blood oxygen exercise monitoring-Balance-20 best price

ECG Monitor ECG+PPG sensor monitor your heart status. The ECG electrode and accurate heart rate sensor detect yourheart status. ECG Report Check heart health status data on APP(ECG) Infrared Detector blood oxygen monitor Real infrared detector--SpO2,Accurate equipment design for mountaineer Heare rate and blood pressure monitor know yourseif and protect yourself Message reminder Do not miss any infomation Sleep monitor Detect sleep status Download APP Connect smart band to cellphone by Bluetooth. Check more data on APP. Speciflcations: Surface material:TPU material Net weight:25g/0.88oz Case material:PC+ABS Main control chip:NOPDIC NRF52832 comes Photoelectric sensing:self-contained+billion light PD70 Acceleration sensor:three-axis acceleration Roma KX1057 Screen display Screen size: 1.14 in Screen Display: IPS color screen display Battery speciflcations: Battery capacity:140 mA Standby:30 days Charging time:1 hour Working time:7 days Charging method:USB Compatibility: Bluetooth:4.0 Compatible:IOS8.0 or higher Android 4.4 or high Adaptation method:can be used independently or mobeile APP can be used at the same time