Product description
<br />Heart rate monitor:24 hours real time dynamic heart rate monitor, plan appropriate physical exercises. 
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<br />Activities tracking:Record daily steps, distance and calories consumption. 
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<br />Sleep monitor&Alarm:Automatically track your sleep quality, and alarm silent vibration will wake you up.
<br />Call alert:Caller name and caller ID will be displayed on OLED screen. 
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<br />Long standby:Standby time 7-10 days/4 days operating time. 
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<br />SNS notifications:Support SMS, WhatsApp, Facebook, Twitter, Wechat, and other social network site alert. 
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<br />Anti-lost:When your phone or the bracelet is beyond the range of Bluetooth(6M-10M), the device will vibrate to notify.
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<br />Find phone:Long press the key to enter find phone interface, then double click the key, smart phone will vibrate or ring.
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<br />Basic Specifications:
<br />CPU and Mainboard:Nrf51822 MPU6500 Megachips PAH8001EI
<br />Compatibility:For IOS8.0 + & Android 4.4 +
<br />Bluetooth:4.0 wireless sync to IOS and Android Product
<br />Strap Material:Leather
<br />Battery type:Polymer lithium battery
<br />Battery Capacity: 80mAh
<br />Standby:7~10 days
<br />Charging duration:1h
<br />Host Weight:25g