Screen size: 1.70 square screen Screen Type: TFT Bottom case material: plastic Shell Material: Glass Wristband Material: TPU Main chip: Realtek8762C Accelerometer: Sitronix STK8321 PPG Heart Rate Sensor: VC11 Touch IC: Sea Oak Chuang 716 Touch method: full touch Motor: Flat Motor Resolution: 240*280 Flash size: 64M Bluetooth version: BLE5.0 Bluetooth Antenna: Bluetooth Cable Battery Type: Polymer Battery capacity: 200mAh Charging method: magnetic suction line charging Heart rate detection: support (support 24 hours continuous heart rate) Heart rate timing monitoring: support Blood Pressure Detection: Support Blood pressure timing monitoring: support Blood oxygen detection: support Sleep Monitoring: Support Step count: support Movement distance: support Calorie Burn: Support Alarm Reminder: Spending Call reminder: support SMS reminder: support WeChat reminder: support QQ reminder: support Additional Reminders: Support Stop: Support Music Control: Support Remote camera: support Weather: Support Screen brightness adjustment: support APP motion track: support Compatible mobile phone system: Android 5.0 and above, IOS 9.0 and above, support Bluetooth 4.0