Walking Wristband Waterproof-Activity Tracker Fitness Watch with Heart Rate Monitor, IP67 Waterproof Smart Watch with Sleep Monitor, Calorie Counter for Kids Women and Men Blue

Battery：90mAh polymer battery(Seiko protection board)

Working time 5-7 days,standby time 7-15 days

Waterproof :IP67,dustprof and waterprof level

Packing List :Bracelet body,wristband,user guide