>Bluetooth BLE:5.1, support call ,compatible with Android phones and Apple phones.
>Heart rate: Tianyi Hexin 3605
>Charging method: magnetic charging method
>Battery: 300 mAh pure cobalt battery;
>Usage time: 30 days in standby, 5-10 days in normal use:
>Pedometer sensor: MSA310
>Motor: Flat 0820
>Function:
Bluetooth calls, multiple menu styles, support for 200 watch faces, breathing training, custom watch faces, stopwatch, brightness adjustment, multi-sport modes, sleep monitoring, real heart rate and blood oxygen, information push, remote music, remote photography, real-time weather, search Mobile phone (used when connected to mobile phone), Bluetooth music player, calculator, split-screen display, weather, alarm clock, sedentary reminder, step counting: exercise step counting, calorie consumption, exercise mileage record