Note: Cash On Delivery Only. 1.Welcome to our store, Follow us to get the latest product information and best prices, and get special fan coupons. 2.We will regularly draw fans to send beautiful gifts for our follower. 3.If you have any questions, you can contact us, our customer service will reply you during working hours. 4.After-sales protection, contact customer service, we will serve you wholeheartedly. 5.After you receive the package, if you are satisfied with the product, you can take a photo and give us a 5-star praise; if the product is not satisfactory to you, don't worry, contact our customer service.We will try our best to give you best serice. Main Functions： 1. Rest screen time display function: rest screen clock, rest screen length 2. Fun games: fighter wars、avoid obstacles 3. 5 UI styles: list、table、honeycomb、arc、ferries wheel 4.25 exercise modes（running, treadmill, walking, hiking, swimming, rope skipping, tennis, table tennis, badminton, basketball, soccer, baseball, cricket, volleyball, field hockey, rugby, dancing, yoga, cycling, sit-ups, cycling, aerobics, rowing, open jump, free exercise ） 5. Pedometer, mileage, calories 6. GPS sports track 7. Bluetooth call: dial pad, call log 8. Message alert, message push 9. Health monitoring: heart rate monitoring, blood oxygen monitoring, sleep monitoring 10. Breathing exercise 11. Dial switch 12. music playback 13. bluetooth photo 14. sedentary reminder 15. raise wrist bright screen 16. Weather 17. Stopwatch 18.Timer 19.Calculator 20. Alarm clock 21. Flashlight 22. Anti-loss function: find the phone 23. bright screen time, brightness adjustment, volume adjustment, vibration switch   Operation method： Slide down the split screen: time display, power display, do not disturb mode, volume adjustment, Bluetooth music mode, QR code, brightness adjustment, theme style selection, flashlight, find the phone, watch settings Right slide split screen: time display, date display, weather, Bluetooth call, 4 common shortcut menus (breathing function, stopwatch, sports mode, Bluetooth photo)                                                  Slide up split screen: message interface                                                                                                      Slide left split screen: pedometer, heart rate, weather, Bluetooth music, Bluetooth call Side button (top): press (enter system), double click (menu style switch), back button Side button (bottom): click (wake up/off screen), long off press (shut down), return to home dial Left button: one click to enter sports mode   Parameters: Chip:JL AC6958 APP:HaiFit Compatible Systems:Android 5.0 or above IOS 9.0 or above Motherboard Memory:32 MB Screen:1.95 inch IPS Resolution:240*285 Encoder:Mechanical encoders Number of keys:Dual buttons (1 side button, 1 encoder) Touch Type:COB Full Touch Interaction BT:5.2 Gravity sensors:SC7A20 Battery Type:Polymer lithium batteries Battery Capacity:3.7V/200mAh Charging method:Contact charging Stand charging models Charging time:2h Endurance time:5-7 Days Waterproof grade:Waterproof for life Exterior Material:Zinc alloy + environmental protection silicone APP Language:English, Chinese, French, Russian, Portuguese, Spanish, Vietnamese, Indonesian, Turkish, Thai, Hebrew, Persian