Compatibility:Smartphones that have iOS 8.0 or later/Android 4.4 or later system, BT 4.0 or later. Cannot be used with PCs or tablets.
Use with "VeryFitPlus" App: Use the tracker with our customized "VeryFitPlus" app for data reports and more functions.
Built-in USB Plug:Built-in USB plug enables cordless charging.Charge the tracker for 2 hours and have up to 7 days work time.
Sedentary Alert: Reminds you to move when you are sitting too much.
Alarm Alert: Set silent alarms on the tracker to wake you up and not disturb your partner.
Model: ID131Color HRBT 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: 5-10 days
Charging method: USB charging (Built-in USB plug, no charging cable needed)
Charging time: 1-2 hours
Weight: 0.88oz (25g)
Heart Rate Monitoring: Continuous, automatic, wrist-based heart rate tracking without an uncomfortable chest strap; get to know your heart rate during workouts and beyond and get a better understanding of your fitness level
Auto Sleep Tracking: Automatically tracks how long and how well you sleep and wakes you up with a silent vibrating alarm
Daily Performance Tracking: Know how many steps you walked and calories you really burned and how much time you've been active; use what you learn to reach your goals
Intelligent Design: With IP68 waterproof rate, you do not have to take off the tracker when washing hands, running in the rain and even swimming; bright color screen displays time and steps when you raise your hand
Information Push and Caller ID Display: Reminds you of messages and calls with message and caller ID displayed on the tracker screen so that you never miss calls and messages during meetings, doing sports or at work