Note: this wristband compatible with  Dual Bluetooth mode.  Bluetooth 4.0 BLE for  General data, moving data,   sleeping data, call information and other data;  when make a call  Support Bluetooth 3.0. 
<br />fit for both Android and IOS system, standby time 1 month.
<br />Basic parameters
<br />Device type smart bracelet
<br />Compatible System: Android 4.3, iOS 7.1
<br />Hardware parameter RAM: 96KB
<br />ROM: 16Mb Flash (Bluetooth), 512KB Flash (microprocessor)
<br />Main features: Bluetooth phone, sleep monitoring, listen to music,sedentary reminder, calorie calculator,  news alerts, intelligent alarm clock, remote control camera phone, time display ,Anti-mobile phone lost,Calorie consumption records
<br />Sensor support, 3-axis LIS3DH
<br />Sensor (accelerometer and gyro sensors)
<br />Waterproof and dustproof: Support living level waterproof, dustproof
<br /> 
<br />Display
<br />Screen size 0.86 inches
<br />Screen type OLED touchscreen
<br />Screen resolution 128 x 88 pixels
<br /> 
<br />Connection parameters
<br />Bluetooth support (BT3.0)
<br />Micro USB Interface
<br /> 
<br /> Other parameters
<br />Product Size 205 × 20.3 × 11.2mm
<br />Product Weight: 28g(with headphones)
<br />Color: black, silver
<br />Other features material: seven metal
<br />Keys: 3 buttons
<br />Support modes: Sports / sleep mode
<br />Transmission range: approximately 10m
<br />Dual microphone
<br />Climb the ladder to achieve recognition through the online upgrade
<br />Charging time 2 hours
<br />Battery type Built-in 60mAh battery<p> <b><b><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-1-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-2-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-3-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-4-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-5-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-6-original.jpg"><img src="https://contestimg.wish.com/api/webimage/58c3a74999aaee52846c4522-7-original.jpg></b></b></p>