Product information:

Gravity sensor: ST8321
ECG chip: 512HZ precise high-frequency GR3220
Optoelectronic chip: OSRAM 2703+GR3220
Vibration: Mute/vibrate
Waterproof level: IP67
Screen size: 1.39 inch retina high-resolution 320 * 386 screen
Screen type: IPS high-definition TFT
Connection parameters: Bluetooth 5.0BLE (low power consumption)
Battery type: high-density polymer lithium battery
Battery capacity: 280mAh
Charging method: magnetic suction charging
Charging time: approximately 3-4 hours
Battery life: 3-7 days of use, 30-40 days of standby
Control method: Full screen touch control, mobile app control
Appearance Material: Shell: Metal Alloy+Stainless Steel

  Watch size: 265 * 46 * 11.6MM (length, width, height)

Watch, charging cable, user manual, packaging box