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Basic Specifications:

Brand: Letufit
Model: ID602 HR
Compatibility: Bluetooth 4.0; Android 4.4 & above; IOS 7.1 & above (Cellphone Only, not for PC, iPad or Tablet)
Data Sync: Bluetooth 4.0
Device Weight: About 21g
Strap Material:TPE high grade
Screen Display: 0.66 Inch OLED Touchscreen
Touch Screen:Capacitive touch 0.49inch
Battery:Polymer lithium battery
Capacity:65mAh
Working Time: 5 days
Charging time: About 1-2 hours
Charging Port:USB charging(No charging cable,the host is part of usb plug,just take the host out of the strap to charge it)
Working Voltage:3.7V
Waterproof:IP67 Waterproof 30m(it is sweat,rain and splash proof,you can shower,wash up,do dishes,etc

In The Box:
1 x Fitness Tracker
1 x User Manual

Warranty:

30 days full refund, 1 year warranty
Any issues with LETUFIT,please feel free to ask us,we will try our best to give you a great service!!

Auto Heart Rate and Sleep Monitor: Track real-time heart rate automatically ontinuously and automatically track how long and how well you sleep and wake with a silent vibrating alarm
Built-in USB Charging,easy to charge with any USB ports; no charging cable. Also the product packaging box shows black color only for all the actual desired color unts inside the packaging.
Get Calls and Messages on Your Wrist: Easily receive call, calendar,SMS and SNS(when phone is nearby and Bluetooth should be turned on)
Activity Tracker: Accurately track daily activities like steps, distance, calories burned, and active minutes
IP67 Waterproof 30m(it is sweat,rain and splash proof,you can shower,wash up,do dishes,et
Auto Heart Rate and Sleep Monitor: Track real-time heart rate automatically ontinuously and automatically track how long and how well you sleep and wake with a silent vibrating alarm
Built-in USB Charging,easy to charge with any USB ports; no charging cable. Also the product packaging box shows black color only for all the actual desired color unts inside the packaging.
Get Calls and Messages on Your Wrist: Easily receive call, calendar,SMS and SNS(when phone is nearby and Bluetooth should be turned on)
Activity Tracker: Accurately track daily activities like steps, distance, calories burned, and active minutes
IP67 Waterproof 30m(it is sweat,rain and splash proof,you can shower,wash up,do dishes,et

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