6mm aluminum alloy body ultra-thin design IP68 waterproof, easily use in various environments High-definition Bluetooth call HD Bluetooth music 4D fun dial, which is not repeated and more versatile Specifications: Appearance Product dimension: L44mm*T9.6mm Appearance process: 2.5D glass cover + aluminum alloy middle frame + plastic & 3D spherical glass bottom case + silicone strap Net Weight: 40g Hardware CPU: MT2502C Memory: RAM 32Mb+ ROM 64Mb Flash: 128Mb Display: 1.28 inches full circle full color full viewing angle TFT; resolution: 240*240 Touch screen: OGS capacitive touch screen; full fit Bluetooth: BLEVer4.2 and BT3.0 Heart rate sensor: Yes Battery: 200mAh large capacity polymer battery Duration of endurance: Bluetooth connection Standby: about 5 days; Normal use: about 2 days Triaxial G-sensor: Yes Motor: Yes Mic: Yes Speaker: Yes Button: Power button & function button SIM card slot: No Charging mode: Charging base Waterproof grade: IP68 ESD: Contact 4KV, Air 8KV Main Functions Multiple dial switching: support 4D dynamic dials 10+ dials Watch face push: No Mobile APP message notification: support including SMS, QQ, Wechat, Twitter, Facebook, linkedIn, Skype, Whatapp, Line, Viber, Instagram and other real-time messages. Call reminder: support Bluetooth call: support Bluetooth music: support Heart rate monitoring: support Blood pressure / blood oxygen / ECG measurement: support Pedometer: Support steps, calories, distance Sleep monitoring: support Multiple sports modes: support for walking, running, cycling, mountaineering, football, badminton, basketball, table tennis, etc. Sedentary reminder: support Multi-language firmware: English/French/Spanish/Polish/Portuguese/Portuguese (Brazil)/Italian/German/Malay/Indonesian/Czech/Vietnamese/Turkish/Russian/Arabic/Persian 20 languages including English/Hebrew/Thai/Simplified Chinese/Burmese. Other functions: alarm clock, stopwatch, do not disturb mode, raise the wrist to brighten the screen, find the phone, music control, camera control, etc. APP: Fundo Smartphone system support: for Android 5.1 and above, for IOS9.0 and above Package included: 1 x Smart Watch 1 x Charging Cable 1 x English and Chinese User Manual Other items not include