Specification : Dimension: 53.0 mm X 44.8 mm X 12.95 mm Color: Black Platform: MTK6261D LCD: 1.22 IPS 240*240 pixel Round display Memory: 32MB+64MB IP Level: IP65 Battery: 320 mAh. Li-Polymer battery MIC, Moter: Support Bluetooth: Bluetooth 3.0 Sensor: 3-Axtis sensor Data Transfer: Micro USB Talking Time: About 3 h ours Standby Time: About 72 hours GSM: 85090018001900 Smart Notifications: QQ, We-chat, Facebook, instant information,mobile push notification Support: Bluetooth Music Control,Bluetooth Hands-free,Bluetooth,Headset,FM Radio,Recorder,Ringtone,SIM Card,BT, Dialer, Anti-lost,Pedometer,Remote Camera,Smart Sync,Sedentary reminder,Sleep monitor,Contacts,Calculator,Calendar. ANDROID System can support all function in the description. iPhone: There is no app for iPhone because IOS didnt open it. So below four functions cant sync with iPhone, But all other function can use normally because no need to use app. Anti-lost Messaging Notifier Remote Camera Features : (Function) Calling GSM :85090018001900 Quad-band calling Dial, hands-free calls, call history, phone book BT Calling SMS Local SMS, SMS Bluetooth synchronization push Entertainment MP3, MP4 local playback, Bluetooth music player Calls to remind Ring tones and vibrate Clock Display 3 sets the clock display, free to switch Two-way anti-lost Bidirectional reminder, bi-looking Pedometer Sports pedometer, exercise tachograph Sedentary reminder Have PSG Have Camera Watch pictures: local memory storage. Remote camera: stored in the phone memory Calendar sync schedule BT Message QQ, We-chat, Facebook, instant information, mobile push notification Language European languages: English, French, Spanish, Polish, Portuguese, Korean, Italian, German, Dutch, Turkish, Russian, Hebrew. Southeast Asian languages: English (default), Thailand, Vietnam, India, Malaysia, Indonesia, Arabia, Burma. Chinese-English Package Include : 1 x V8 smart watch 1 x USB Cable 1 x User Manual(English) Note : No retail package to save the cost and protect environment.