Features CPU MTK2502D, Aluminum casing, fast color, metal plating, stainless steel lugs BT 4.0 compatible for iOS and Android, notification pushing, bluetooth phone function Water clock, 2.5D arc edge TP, Silicone strap, replaceable Accurate heart rate sensor+ pedometer+sleep monitor+Sitting alert PVD vacuum plating, Waterproof speaker, IP68 waterproof Appearance finish processing, Aluminum alloy casing, stainless steel lugs Hardware Specification: CPU: MT2502D RAM: 32MB; ROM: 32MB SIM card: No; TF Card: No Display: 1.54 Inch TFT; resolution: 240*240 pixel; 260000 colors Touch screen: Capacitive touch screen,Full bonding processing Camera: No; WIFI: No bluetooth: Ver 4.0, compatible for both IOS and Android. GPS: No Antenna: Yes, bluetooth antenna G-sensor: Yes Heart rate sensor: Yes Speaker: Yes Motor: Yes Mic: Yes Button: Power button Battery: 360 mAh High Volatage lithium polymer battery Charger: Magnetic charger cable Main function: Phone function: bluetooth phone function SMS: bluetooth SMS Caller ID: Support Remote control music Call reminder: Ringtone and Vibrating Watch face: 5 clock faces, freely shift Heart rate monitor: Yes Sleep monitor: Sleep quality analysis Pedometer: Yes, automatically running, including Step records, Calories calculation, Distance calculation; Sitting alert: Yes Water clock: Yes Camera: No Remote camera: Yes Anti-lost: Anti-lost remind Bidirectional search; Others: Alarm clock,Calender;Stopwatch.Calculators etc; Notification synchronization: All real-time pushing information, incoming calls, time and date,SMS etc. Product size: Approx. 23 * 2 * 1cm / 8.97 * 0.78 * 0.4oz Product weight: Approx. 29g / 1.0oz Package size: Approx. 14.8 * 9.5 * 4cm / 5.8 * 3.7 * 1.56in Package weight: Approx. 183g / 6.4oz Note: Item color may show slight aberration due to different shooting light and monitor display. Package List: 1* Smart Band+Strap 1* USB Cable 1* User manual(English) ,,,,,,,,,,,