Features:1.3inch full touch screen. Equipped with IPS color screen, full touch and crystal clear, it is easy to operate and read.Built-in GPS, compass, atmospheric pressure sensor. A useful companion for your outdoor activities like cycling, climbing etc.Accurate monitoring of heart rate, blood pressure. Caring for your health.Support sim card(GSM version). Easily make phone calls.Water resistance. It has waterproof rating of IP67. No need to worry about splashing, rain or sweat.Continuously updated watch face. You can switch to the one best fits your mood or particular occasion.Specifications:Brand: LOKMATModel: SMA-TK04Color: BlackBody material: Zinc alloy + PC + FiberglassStrap material: Silica gelChip: MTK2503A-ARM7Screen Size: 1.3 InchResolution: 240*240Battery Capacity: 320 mAhCharging method: Magnetic charging clip USB chargingWaterproof rating: IP67BT Version: BT 4.0 + 3.0RAM: 128MB + 64MBCompatibility: Android 4.4 / iOS 8.0 and aboveLanguage: Chinese, English, French, Spanish, Polish, Portuguese, Italian, Dutch, Turkish, Russian, GermanTotal Length: 270mm / 10.62inItem Weight: 139g / 4.9ozPackage Weight: 202g / 7.12ozPackage Size: 10.5 * 10.5 * 7.8cm / 4.13 * 4.13 * 3.07inPackage List:1 * Watch1 * Charging cable1 * Screwdriver (GSM edition)1 * Tweezer(GSM edition)1 * User Manual (Chinese, English)