Letsfit Fitness Tracker HR, Activity Tracker Color Screen, Heart Rate Monitor, Sleep Monitor Step Counter, Calorie Counter, Pedometer IP68 Smartwatch for Kids Women Men

SPECIFICATIONS Model: ID131Color HRBT transmission distance: 10 Meters 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 tyLi 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)