USB Charge Clip: Easy to charge, just use the USB charge clip to connect to your computer pc, laptop,notebook,power band or power plug. Long-lasting battery: Just need to charge 1 hours and then you get a 7 days standby HR fitness tracker, convenience and fashion.
0.86 inch OLED Display Screen: clearly showing the date, clock and battey power. Just 18g, it looks fashion and thin. Silicone watchband with adjustment holes, wear it comfortable and valuable.
Compatible with Smartphone: It can compatible with Android Os (above 4.4) and iPhone (above iOS 8). Download APP by scanning the QR Code printed on the manual. Then connect fitness tracker with smartphone by bluetooth 4.0.
100% Satisfation Guarantee: We offer a 6-Month warranty to make you happy and satisfied with our product, If for any reason you're not completely satisfied, Please contact us via Amazon, NB Magic excellence service will bring you a smile.