0.91'' OLED Touch Screen with Gesture Senser Control, Screen is removable to charge via USB, a successful charge will come with a flash light and buzz.</br>IP67 waterproof design, no need to remove when you wash hands (Please take off when you diving and swimming).</br>Steps counting, Mobile Anti-lost, Camera remote control, Sedentary Reminder, SMS Reminding, Call Reminder, Incoming Calls show, Calories Burned Measuring, Sleep Management.</br>Comfortable Wear. it is smooth band, comfortable to wear all day and night.</br>Required Bluetooth Version 4.0 and above, fit for smartphones over Android 4.4 version and IOS 8.0 Version.</br></br>Product Description</br></br><b>Specifications:</b><br><br> Model: I5plus Smart Bracelet<br> Main Function: Call Notification, Message/QQ/Twitter display, Standard Sports Function(Steps, Distance calories), Time display, Sleep detect, Anti-lost reminder, Smart alarm.<br> Product Size: 150mm*95mm*20mm<br> Colors: Black,Red,Blue<br> Product Weight: 25.5g<br> Package Weight: 53g<br> Band Material: TPU<br> Head Material: ABS<br> Screen: 0.91'' OLED<br> Working Time: 5-7 Days<br> Hardware Synchronous: BT4.0LE<br> IP Rate: IP67<br> Battery Type: Lithium Polymer<br> Battery Capacity:40mAh<br> Operating System: Bluetooth 4.0, IOS 7.0 Version above or Android 4.3 Version above.</br><br/>http://www.amazon.com/gp/product/B01MXYE8GF