Be careful when removing back cover to install battery. Do not use force to put the battery in.
The date of Pedometer function and sleep detection are not very accurate, if you pay special attention to these healths date, please do not buy
IOS system just support music player and call function,iPhone user need to take it seriously before you buy it.
Passometer, Sleep Tracker, Message Reminder, Call Reminder,Answer Call, Dial Call,Remote Control, Push Message

Technical Details

Size (LWH): 5.3 inches, 2.8 inches, 2.4 inches
Product Details
Product Dimensions: 5.3 x 2.8 x 2.4 inches
Shipping Weight: 0.15 pounds (View shipping rates and policies)
ASIN : B015FIJV6K