U2 Memory with 8G Bluetooth 4.0 smart bracelet wristband smart watch

Screen The 0.91 inch OLED
Chipset Nordic NRF51822 ( 256K+64K )
Bluetooth Bluetooth 4.0 smart bracelet.low-energy consumption
Battery 80mAh
Feature OTA Air upgrade
Display Time, Date, Step, Distance, Calorie ,
Special Memory with 8G (You can use it as USB flash disk ) - price not include 8GB memory, if you need, need to customize with MOQ 2Kpcs
Feature1 call reminder, SMS, QQ, 
Function Set display direction, APP friends sports rankings, Record map movement, APP can set 2 alarm clocks, Data cloud storage for one year, 

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