Color: black, gold pink APP: HavaFit Main control chip: YC1133 Heart rate module: HRS3301 Built-in RAM+ROM: 128KB+32M G-sensor: SC7A20 Screen display: 1.83" TFT 240*286 pixels Battery capacity: 180mAh1 Standby time: about 15 days Working time: about 3-6 days Mobile phone system: Android 8.0 and above, IOS 9.2 and above, support Bluetooth 4.0 Strap material: TPU
