1、Support GSM / GPRS 850/900/1800/1900 quad-band dialogue. 2、Call function: dial, hands-free, phone record, phone directory. 3、SMS function: phone SMS synchronization push Bluetooth (for Android phones). 4、Entertainment function: Support MP3, Bluetooth music player. 5、Clock display: 3 ways to display the clock, click to switch freely. Features: Support GSM / GPRS 850/900/1800/1900 quad-band dialogue. Call function: dial, hands-free, phone record, phone directory. SMS function: phone SMS synchronization push Bluetooth (for Android phones). Entertainment function: Support MP3, Bluetooth music player. Clock display: 3 ways to display the clock, click to switch freely. Pedometer function: Support motion step recording, calorie calculation, exercise mileage recording. Remote Control Camera: Store pictures to the phone, support picture format: PNG, JPG (for Android phones). Bluetooth transmission information (for Android phones): for QQ/WeChat, for Twitter, for Facebook, etc., timely information SMS forwarding. Other functions: news, virtual client-side, system settings, etc. Plan, sync reminders, set time synchronization.   Specification: Name: HD screen supports SIM card wearable device smart watch Material: ABS+PC, TPU watchband Watchband length: approx. 26.5 cm / 10.4 inch Master: MTK6261D Screen: 1.54'' Memory: 32mb+32mb Pixels: 262 Battery: 280MAH polymer battery (for Seiko protection board) Working time: 3-5 days Standby time: 7-15 days Color: black / white (optional)   Package List: Smart watch x1 Manual x1 Usb line*1