Chip MTK2502D, sensor SC7A20, memory 32MB, battery 180mAh, 1.75 inch high-definition full screen, 320*385 resolution, Bluetooth 4.0, zinc alloy casing, magnetic charging. Function: Rotary button, game, drinking reminder, blood oxygen, exercise mode (outdoor running, walking, mountaineering, indoor running), heart rate, message reminder, calendar, Facebook, watchapp, Twitter, calculator, call log SMS Push, Bluetooth music, sleep, monitoring, step counting, remote photography, alarm clock, settings, Siri, find phone, dial, address book, blood pressure, multiple menu styles, raise your hand to brighten the screen. Social APP message reminder: Support WeChat, QQ, Facebook, Twitter, Line, Whatsapp, Instagram Support languages: English, French, Arabic, Persian, Spanish, Russian, Vietnamese, Thai, Czech, Turkish, Polish, Portuguese, Greek.