Product Review

Letsfit Fitness Tracker with Heart Rate Monitor, A Health Keeper to help you to track health every day.
Model: ID131Color HR

Mani Features:
Notice :It only works with smartphones, cannot be used with computer, iPad, iPod or any Tablet.The fitness tracker needs smartphones system version (IOS 8.0 and above; Android 4.4 & above; Bluetooth 4.0 required).
APP VeryFitPlus: Please note that the VeryFitPlus App may NOT work with US version Samsung Galaxy J series mobile phones (e.g. Galaxy J3,J7).
Sleep & Heart Rate Monitor :Automatically tracks your sleep duration and consistency with comprehensive analysis of sleep quality data.
Activity Tracker: 14 sport models, to track your steps, pedometer, walking and running, distance and calorie burnt.
IP68 Waterproof: You can wear it under 3 meters driving, swimming(not having swimming mode).
Built-in USB Plug:The fitness tracker has a built-in USB plug, doesn't need a USB charger.

Product Description:
Bluetooth Transmission Distance: 10 Meters (33 feet)
Screen Size:0.96 inch
Screen Type: TFT LCD color screen
Material: upper casing: PC; strap: TPU
Dimension: suits for wrist size: 5.4 inch - 7.6 inch
Battery Type: Li Battery
Battery Capacity: 90mAh
Waterproof Rate: IP68
Working Time: 5-7 days
Charging Method: USB charging (Built-in USB plug, no charging cable needed)
Charging Time: 1-2 hours
Weight: 0.88oz (25g)
Package: 1X Fitness tracker ; 1X User Manual (with customer service email)
Warranty: 12 month.
After-Sales Service: Any issue, welcome to contact us by ask us a question, or through your order ID, or email back to us.