Features:<br />* IP67 waterproof. S2 can be weared to swim. (depth not over 1m｣ｬ time not over 30mins)<br />* Sports and Health: sports tracking (Pedometer｣ｬ distance｣ｬcalorie)   sleep tracking (sleeping time｣ｬ sleeping quality)   set fitness goals   movement pattern (Swimming mode｣ｬ Bicycle-riding mode｣ｬ Runningmode｣ｬ Ropeskipping｣ｬ Sit-ups｣ｬ Jumping jacks).<br />* GPS movement Trajectory｣ｬ distance｣ｬ Time｣ｬ Pace｣ｬ Calorie｣ｬ Historical records｣ｬ track sharing.<br />* Real-time dynamic heart rate monitoring.<br />* Alert & Notification function: call reminder (Android｣ｬ iOS)｣ｬ contact name display; Facebook｣ｬ  Line｣ｬ <br />SKYPE｣ｬ WhatsApp (Android｣ｬ iOS)｣ｬ content display; Sedentary; Anti-lost warning; Clock alarm; Task alert.<br />* Smart buttons Find phone: Camera remote｣ｬ Music remote｣ｬ Video remote.<br />* Wake up screen by turn wrist<br />* Built-in 90mah Lithium-ion polymer rechargeable battery｣ｬcan be used about 10 days.<br />* Compatible with Android 4.3 and above｣ｬ IOS 7.0 and above｣ｬ with Bluetooth 4.0 Phone.<br />* APK Name: SmartWristBand. APK Language: Simplified Chinese｣ｬ traditional Chinese｣ｬ English｣ｬ multi language.<br />Specifications:<br />CPU: BT V4.0 BLE<br />Display: 0.96 inch｣ｬ 64*128<br />Acceleration: 3-axis G-sensor<br />Heart rate:  Dynamic heart rate detection<br />Battery: 90ma Lithium-ion polymer rechargeable battery<br />Motor: Built-in｣ｬremind with vibration<br />Font: Full character display<br />Charge: 5V USB jack｣ｬcharge by PC USB<br />Water-proof leve