CPU type: Hs6620D Heart rate: EM7028 RAM (random access memory) SRAM 128kb ? SFlash (Read Only Memory) Flash 1M Acceleration sensor G-sensor 3 axis Bluetooth: BT antenna Charger interface: contact type Android version: 4.4 or higher Apple version: 8.4 or higher Software function Type Details Description Software features: time display, sports mode, raised hand screen, sleep monitoring, running track, call reminder, message reminder, sedentary reminder, alarm reminder, do not disturb mode, shake a photo, find bracelet, dial switch, dial Chinese and English, hourly measurement, WeChat campaign, heart rate, blood pressure, blood oxygen, apple health, health weekly, Bluetooth name, language Charging method: USB charging OTA upgrade: support Waterproof rating: IP65
