1. Basic function:
- Time and date display, step counting, calories, distance, stopwatch, countdown
- Call function, voice assistant. Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring (sleep time, sleep quality)
- Adjust the brightness of the bracelet and view the MAC address of the bracelet
- The GPS track function in the app (the watch itself does not have the GPS positioning function) of 16 sports modes (i.e. Road, running, riding, ball, rope skipping, basketball, ball, swimming, mountaineering, cross-country running, yoga, fitness, dancing, hiking, indoor walking and indoor running). The default is 8 modes, depending on the actual situation of the bracelet
- Four dials can be switched on the bracelet head interface, and one customized dials. / / it depends on the actual bracelet
- Call reminder, SMS, QQ, wechat, Facebook, twitter, linkedln, WhatsApp, line, instagram, snapchat, Skype, Gmail, and other applications
2. Reminder function:
- Sedentary reminder, alarm clock reminder, drinking water reminder, menstrual reminder
3. Featured features:
- Wechat sports access, sports goal setting, fitness information sharing
- Smart alarm clock, turn the wrist to light the screen, light the screen time, find the mobile phone, reject the incoming call, shake and take photos
4. APP:
- App: Da Fit
- Synchronization of Android and IOS applications: Da fit reminder: (IOS system searches for Da fit download and installation in A-pple store; Android system searches for Da fit download and installation in app store at home and Google store abroad)

Specifications
1. System requirements: Android 4.4 and above, iOS 9.0 and above, supporting BT 5.0
2. BT version: BLE 5.0
3. Bluetooth chip: gr5515i0nd+ Jieli
4. Heart rate chip: Tianyi Hexin hx3600
5. Bracelet memory: RAM_256KB +ROM_64MB
6. Screen display: 1.8 Inch Hancai glass IPS resolution 240x286
7.Battery capacity: 320mAh
8. Standby time: About 30 days
9. Working hours: About 10 days
10. Physical keys: Full touch plus 2 keys
11. Motor: Built in vibration reminder
12. Charging interface: Magnetic suction line
13. Waterproof grade: IP67
14. Sensor: Shilan micro sc7a205
15. Body material: Surface zinc alloy + bottom plastic
16. Strap material: Silica gel
17. Product size (mm): 58 x 43.6 x 13.5mm
18. UI Language: Default 13 languages: Chinese, traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italy, Portugal
19. Bracelet font language: Firmware support languages: English, simplified Chinese, Japanese, Kor, German, French, Spanish, Arabic, Russian, traditional Chinese, Ukrainian, Italian, Portuguese, Dutch, polish, Swedish, Finnish, Denmark, Norway, Hungary, Czech, Bulgaria, Romania, Slovakia, Latvia, Indonesian, Thai, Turkish, Vietnamese, Hindi Pashto, Lithuanian, Estonian, Slovenian, Croatian, Greek, Filipino, Hebrew, Malay, Serbian, Persian
20. App support language: Arabic, Bulgarian, Polish, Bosnian, Danish, German, Russian, French, Traditional Chinese, Finnish, Kor, Dutch, simplified Chinese, Czech, Croatian, Romanian, Norwegian, Portuguese, Pashto, Japanese, Swedish, Slovak, Thai, Turkish, Ukrainian, Spanish, Greek, Hungarian, Italian, Hindi Indonesian, English, Vietnamese
21. Packing list: Instruction manual + Charging cable