Features:<br>Time: displays current time.<br>Step: display movement steps.<br>Mileage: display step mileage.<br>Heat: shows the heat of movement.<br>Heart rate: monitor current heart rate.<br>Power: show current capacity.<br>Alarm clock: show alarm clock reminder.<br><br>Descriptions:<br>Call reminder: please call your cell phone.<br>SMS reminder: remind the phone to receive text messages.<br>Sleep: monitor during sleep at night.<br><br>Specifications:<br>Sensor: 3D gravity sensor<br>Heart rate sensor: reflective photoelectric heart rate sensor<br>Display: 0.69 inch OLED<br>Battery capacity: 45mAh<br>Standby time: 30 days<br>System: for Android 4.4 and above， for IOS 8.0 or above <br>Bluetooth: 4.0<br>Mode of operation: touch screen<br>Reminder: high sensitivity， built-in motor<br>Waterproof grade: IP67 class， deep waterproof<br>Strap material: silicone<br>Product size: 36mm*14mm*11mm<br>Color: black<br><br>Package Include:<br>1 x Smartband<br>1 x User Manual<br><br>Notes: <br>Due to the difference between different monitors， the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.