Product Information:

System requirements: Android 4.4 + / IOS 8.4 +, apple 5S or above
Main control chip: hs6620
Bracelet memory: 512kb-16m
Bluetooth chip: integrated in the main control chip
Bluetooth version: 4.0
Heart rate chip: sc7r30
Screen display: 1.14inch-square-135 * 240-tft
Battery capacity: 90mah
Standby time: 5-7 days
Working time: about 5 days
Key mode: single touch
Motor: shrapnel motor
Charging interface: USB direct charging
Waterproof grade: IP67
Sensor: G-sensor 3 axis
Number of switchable dials: 1
UI Language: Chinese, English
APP：WearFit2.0
Function: accurate temperature monitoring (error ± 0.2)
Reminder function: call, message, sedentary, alarm clock
Basic functions:
Display, step counting, calories, distance, movement mode, hand up, sleep monitoring, call reminder, message reminder, sedentary reminder, alarm clock reminder, stopwatch, find bracelet, dial switch, dial Chinese and English, music control, view message, hour measurement, heart rate, blood pressure, blood oxygen, body temperature, fatigue analysis, immunity, wechat exercise, apple health, health week Brightness adjustment
App support language:
Simplified Chinese, traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, Portuguese, Indonesian, Arabic, Turkish, Greek, eshanian, Bulgarian, Latvian, Lithuanian, Romanian, Serb, Slovak (24)
Packing list: 

handpiece * 1 Watch Strap * 1 instruction manual * 1
Fuselage material: PC semi transparent plastic + PC + stainless steel
Strap material: TPU
Product size (CM): 250mm * 23.3mm * 13mm
Color box size (CM): 123 * 78 * 45.5mm