Sports intelligent Bluetooth electronic watch $ 22.80 Waterproof: Yes Waterproof performance: 10M Movement type: Electronic Dial diameter: 40mm Hardware specifications Main chip: NRF52832_QFAA Memory size: 512KB + 64KB G-sensor model: KX1025 Heart rate sensor model: HY1303 Display specifications: 1.0 inch TFT LCD color screen, resolution 128 * 96 Key mode: single touch panel Battery type: Lithium polymer battery Charging head specifications: Charging 1A or less Charging method: spring pin method Motor type: flat motor 0820 Other parameters Standby power consumption: Standby 60 days, normal use 6 days (calculated with 170mAh battery) Bluetooth type: Bluetooth 4.0 Types of font push: Multi-language fonts Support APP: Hey Band Charging voltage: 5.0V Charging current: 85MA