KOSPET PRIME S function: face unlock, calls, SMS, music sync function, map, weather, alarm, sound recorder, calendar, voice search, YouTube, caculator, pedometer, heart rate, blood oxygen, heart rate monitoring sleep, etc. A watch that switches to a smartphone or Sport watch at any time:Prime S has mode and Sport mode. If you want to make calls, access internet and multimedia applications by 4G, you can choose the mode; If you only want to use the exercise function, you can choose the Sport mode, which will greatly increase the battery life of the watch. 8.0 MP Side Camera, Easy to See Finting: Prime S has adjusted the position of the side camera based on Prime, and the side camera directly in front is more suitable for the user to take photos and find a view, which is equivalent to the photographic experience of smartwatches. kospet PRIME S Network Band:TDD LTE: B38(2600MHz), B39(1900), B40(2300), B41(2500)/FDD LTE: B1(2100), b2(1900), B3(1800), B5(850), B7(2600), B8(900),B12(700), B17(700), B20(800)/TD-SCDMA: B34(2100), B39(1900)/WCDMA: B1(2100) , B5(850), B2(1900)/GSM: B2(1900), b3(1800), B5(850), B8(900). Dual Chip, Capture Your Sports Data More Accurately: Professional sports data acquisition chip can detect more user's limb status, making the watch more accurate in steps and data acquisition distance. Brand: KOSPET Model: PREMIER S Watch case material: ceramic bezel + plastic shell Watch strap material: Silicone Wifi support: 2.4GHz SIM card: Nano SIM card Camera: 5MP front & 8MP side CPU: SC9832E+ nRF52832/PAR2822 Bluetooth: Ver 4.1+BLE 4.0 Touch Mode: Full touch screen (two points) GPS: GPS/GLONASS/A-GPS/Beidou Display: 1.6 inch IPS TFT screen, 400*400,323 PPI resolution Connect phone name Phone APP: GaoFit Support compatible connection Mobile phone version: above 9.0 and 5.1 Battery: 1050mAh polymer battery Standby time: Standby: Anddoid mode: 1-2 days / Sport mode: 5- 7 days Waterproof: IP67 waterproof (not supported: swimming/diving/sauna/surfing/bathing/rain etc., damage caused by user immersing in liquid is not covered by the quality issue of the product.) Watch dial diameter: 54mm Watch body size: 54mm*58mm * 16.7mm, otal length 258mm Watch strap: 24mm width (Support replacement strap) Package includes: Smartwatch x1 Data Cable x1 User Menu x1 Protective Film x2 SIM Card Pins x1