♥As a primary resources provider and a responsible seller,JIAMEIYI will not sell any low end products,this heart rate bracelet/smart wristband/hearts rate monitor/smart watch is definitely one of the most trustworthy fitness tracking product you are worth to own.JIAMEIYI upgraded fitness tracker helps you know more about yourself by tracking your movements and care your health day and night.

APP: SmartWristBand
APP Language: Simplified Chinese, traditional Chinese, English, multi language.

Dimension:
Band Length: 8.46 in / 21.5 cm
Band Width: 0.79 in / 2 cm
Screen Thickness: 0.47 in / 1.2 cm
Screen Length: 1.57 in / 4 cm
Screen Width: 0.79 in / 2 cm
Max Fit Wrist: 7.76 in / 19.7 cm
Min Fit Wrist: 5.31 in / 13.5 cm
Product Weight: 0.81 oz / 23 g
Wireless distance:5m-10m
Wristband Material:TPU

Specifications:
Recharge time: 2 hours(10-15 days for standby time, 2-4 days under operation)
CPU: BT V4.0 BLE
Screen: 0.96 inch 64 * 128 OLED
Acceleration: 3-axis G-sensor
Battery: 90ma Lithium-ion polymer rechargeable battery
Motor: Built-in,remind with vibration
Font: Full character display
Charge: 5V USB jack,charge by PC USB
Water-proof level: IP67,Swimming (depth not over 1m, time not over 30mins)
Operation mode:Touch button operation，power on/off，reset
Data Sync: data synchronization to mobile app
Data storage: Storage 7 days’ sports data
Compatability: Android 4.3 / iOS 7.0 and Above System

Package Included:
1 x Smart Wristband
1 x Free Wristband(gift)
1 x User Manual

Product Features

• ♥Heart Rate Monitor: Rack heart rate continuously on your wrist to maximize workouts,Maximum and minimum heart rate alarm.It can recording the ultimate hoops challenge as well as alcohol allergy abnormal heartbeat rhythms reminder with your heart rate on the instant.
• ♥Sleeping Tracker: Automatically recognize your sleeping state, monitor the whole sleeping progress, analyze deep sleep hours and light sleep hours and help you make effective sleep plan. Silent vibrative alarm will wake you only while not disturbing your beloved one.
• ♥Sport Tracker: Monitor your activity levels, track walking distance and calculate calories burned. tracking and reminding the data during every sport moment, helping you arrange exercise time and intensity freely.
• ♥Multi-Function:sync date and time, music control, distance tracking, notifications, remote camera control, anti-lost alert, find Phone(Only for Android), sports and health recording;Incoming call and sms reminder,Social software,message reminder(only for Android now), sedentary reminder.
• ♥Reliable Assurance:1 year warranty and friendly customer service. If for any reason you’re not completely satisfied, Please contact us via Amazon, JIAMIEYI excellence service will bring you a smile.