1 Android system: support Android 4.4 and above 2 IOS system: IOS 9.0 and above 3 basic functions of firmware: step counting, distance, road blocking, sleep, alarm clock, stopwatch, long sitting reminder, remote control photo taking 4 Multi Sport modes: walking, running, riding, jumping, basketball, ball, swimming 5 temperature measurement, oxygen detection support red light and infrared light sensor to measure blood oxygen saturation 6 message and call reminder, phone, SMS, wechat, QQ, Facebook, twitter, instagram, Skype, WhatsApp, line, kakao talk, others 7 call rejection when calling reminder, click the hang up button to hang up the call 8 harassment call reminder when calling reminder, it can remind whether the call is a harassment call or not 9 WeChat Sports: support the synchronous WeChat sports ranking, can be customized WeChat public official account. 10 dial selection: support 3 kinds of dial (with real-time display of Fahrenheit and Celsius) Chinese, English, French, Spanish, Japanese, Korean 12 client language Chinese, English, French, Spanish, Japanese, Korean Language, Russian, Ukrainian, Arabic, Portuguese, Italian Specifications: Main control platform: hs6620 SOC main frequency and memory: 1MB ROM + ram extended SPI 4MB and multilingual character library Screen IPS true color screen: 1.6inch; resolution: 240x240px Acceleration sensor: sc7a20 Battery: built in lithium battery 200mA Touch key: full screen touch Charging mode: magnetic suction Vibration: support Heart rate module: Tianyi core 3366 infrared green dual-mode sensor / heart rate detection + blood pressure detection Bluetooth: Bluetooth 4.0 ble protocol Screen material: nano toughened glass Shell material: plastic Strap material: silica nano coating Wear specification: Standard 20mm APP WEARFIT2.0 Package Included: 1 * smart Watch 1 * instructions