Singapore

Features:
Main functions: pedometer, dynamic heart rate, sleep, sedentary, mileage, blood oxygen, blood pressure, multi-sports mode, calories, WeChat, QQ and other text information tips, full font push, WeChat campaign, weather forecast, call rejection, IP67 waterproof. 

Specifications:
Color: Black/Blue/Red/Green/Purple
Chip manufacturer: for Broadcom
Compatible system: for Android 4.4 (included) or above, IOS 8.0 or above
Screen size: 0.96 inches
Pixel: 160 * 80 IPS
Battery type: lithium polymer
Capacity: 90mAh
Charging method: USB direct charge
APP function: exercise record (steps, kilometers, punch), heart rate measurement, blood pressure measurement, blood oxygen saturation measurement, sleep monitoring, WeChat, QQ, for Facebook \ Twitter sharing, data reporting, sports mode, finding devices, alarm reminders, Photo, water reminder, gesture smart control, do not disturb mode, reminder mode, heart rate automatic detection, call push, SMS push, QQ push, WeChat push, add more push
Waterproof rating: IP67
Charging time: 1.5H
Life time: use for nearly 10 days, standby for nearly 20 days
Information reminder language: text display
Packing size: 132*76*32mm/5.2*3*1.26"
Weight: 55g

Note:
-Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
-Please allow 1-3cm measuring deviation due to manual measurement. 


 Included: 

1 X M4 Smart Band
1 X User Manual