Main Technical Parameters Master Chip: RLC8762 Sensor: BST-BMA253 PPG chip: Everlight Electronics Virbation: Loundspeaker Mute/Vibration Waterproof level: IP67 Compatible System: דְמוּי אָדָם 4.4 ומעל，iOS 8.2 and above Special Features: לחץ דם, Heart Rate Screen: TFT 0.96 מסך צבעוני 80*160 בלוטות: 4.0BLE（Low power） Battery Type: Polymeter Lithium Battery Battery Capcaity: 90mAh Charging Type: Clasp type Charging Time: על אודות 2 hours Endurance …