1. step counter

2  calculate distance and calories

3. material:ABS

4.   battery：AG10*1pcs

Product Size:	7.7*3.1*2.5CM
Ctn quantity:	400    PCS
GW	8 .5KGS
NW	8 .0 KGS
Measurement	36*33.4*24CM
Packing	white box
Productive time	20-25 days