V19 smart bracelet

Material: ABS+PMMA
Wrist strap: TPU
Motherboard parameters: main chip NORDIC NRF52832
Medical sensor: Silicon 1182 (ECG+PPG+SpO2 three-in-one)
Sensor: ROHM KX023-1025
Bluetooth distance: 10m
Resolution 135*240
Battery capacity: 130mAH
Charging method: USB direct charge
Charging time: 2 hours

Working time: 5-7 days