Bandcase New Style Lepoad Set Size Large L or Size Small S Multicolor Leopard Combinational Replacement Bands with Metal Clasps for Fitbit Flex Only No Tracker/ Wireless Activity Bracelet Sport Wristband Fit Bit Flex Bracelet Sport Arm Band Armband (White, Large)

Material: OLED Screen with Silicone Strap
Size of Product: 43mmx17.1mm/Ring thickness:9.22mm/Screen size：0.91Inch
Rated capacity of Built-in Lithium battery: 70mAh

The bracelet can be applicable for most Android mobile phone.
With lightweight size, it is comfortable to wear even for a long time.
With advanced technique and adopting Bluetooth, this smart watch could synchronize the Android smart phone.

PATENTED design ONLY for original NSD Spinner
Displays 4 different statistics: Current total revolutions, Speed in RPM, Historical top speed in RPM and Physical strength index
Digital LCD display with amber backlit

Omron single axis technology; Counts steps accurately and quietly when used on the hip
Automatically resets daily to accurately track steps
Tracks two kinds of steps; Tracks both regular and brisk steps separately