Main Technical Parameters Master Chip: RLC8762 Sensor: BST-BMA253 PPG chip: Everlight Electronics Virbation: Loundspeaker Mute/Vibration Waterproof level: IP67 Compatible System: Android的 4.4 以上，iOS版 8.2 and above Special Features: 血壓, Heart Rate Screen: TFT 0.96 彩屏 80*160 藍牙: 4.0BLE（Low power） Battery Type: Polymeter Lithium Battery Battery Capcaity: 90mAh Charging Type: Clasp type Charging Time: 關於 2 hours Endurance …