INTELLIGENT ACTIVITY TRACKER: Tracks how many steps you have walked, how long you have been active, calories burned and distance every day
AUTO SLEEP MONITORING& HEART RATE MONITORING: Automatically tracks you sleep and wakes you up with a silent vibrating alarm. get to know your heart rate during workouts
14 SPORTS TRACKING & BUILT-IN USB PLUG: Tracks your activity data of up to 14 sports, helping you know your progress; connect to your phone to track GPS data (No need a charger)
CALL& SMS MESSAGE REMINDER: See incoming call, text, and social media notifications right on your wrist
IP68 WATERPROOF& WARRANTY: IP68 rating waterproof, the fitness tracker accompanies you to the pool, hit the showers, and survive a downpournot have swimming modeCustomer Service: 7*24H email reply, 90 days replacement or refund, 12 month warranty.
Letsfit Fitness Tracker with Heart Rate Monitor, A Health Keeper to help you to track health every day. Model: ID131Color HRMani 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 7.1 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). Product Description:Bluetooth Transmission Distance: 10 Meters (33 feet)Screen Size:0.96 inchScreen Type: TFT LCD color screenMaterial: upper casing: PC; strap: TPUDimension: suits for wrist size: 5.4 inch - 7.6 inchBattery Type: Li BatteryBattery Capacity: 90mAhWaterproof Rate: IP68Working Time: 5-7 daysCharging Method: USB charging (Built-in USB plug, no charging cable needed)Charging Time: 1-2 hoursWeight: 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.