Color:Black Model: T4Waterproof grade: IP68 Bluetooth Version: V4.0Operating OS: Android 4.4 / IOS 8.4 or iPhone 5s above.Touch Display Screen: 1.22 inch IPS round HD 2.5D toughened glassResolution: 240*204 pixelCPU: Hs6620DRAM: SRAM 128kb / SFlash 1M ROM: 512kb + External 64MTouch Screen: OGS Capacitive Screen, full bonding technologyCharging Time: about 2-3 hoursWorking Time: about 10 daysStandby Time: about 30 daysCharging Stand: dedicated charging standVibration Reminding: yesMic: noCamera: no Dial Switch: supportNumber of the lock screen: 3OTA Upgrade: yesAPP Name: Wearfit2.0Finish Processing: zinc alloy case (vacuum plating)Other Accessories: stainless steel buckle, soft silicone strapSize of the dial: about 43.5 x 10.5mm / 1.71 * 0.41inSilicone Wrist Band（LxWxT）: 245 x 20 x 2mm / 9.6 x 0.8 x 0.1inHints:We are shipping from China Mainland, please be caustions about the refund problem. It's gonna be hard to return the product. Please make sure this is what you want. Many thanks
