1. CPU: Goodix 5515 2. Battery capacity: 300mAh 3. Display: 1.28 inches TFT (240*240) (full circle screen) 4. Heart rate: VC32S 5. Waterproof: IP67 rating 6. Bluetooth: Bluetooth LE 4.0 (supports Android 4.4, IOS9.0 and above) 7. Touch: full touch screen (full fit screen) 8. Sensor: 3D accelerated ROHMS 9. Shell material: metal + plastic 10. Strap: TPU + leather elastomer, total length: 257mm 11. Call function: Bluetooth call 12. Music function: can play mobile phone music and local music, can be connected to TWS/audio, etc. 13. Memory function: 8G memory (can store 1500 songs) 14. Health monitoring: step counting, sleep monitoring, heart rate, blood pressure, true blood oxygen, sedentary reminder, reminder to drink water, exhale, inhale 15. Exercise data: exercise steps, exercise mileage record, caliber consumption, multiple exercise modes, motion track (displayed by mobile APP DIRI FIT) 16. Standby time: BLE connection use 7-10 days, dual bluetooth state use time 3-5 days, continuous call or music playback 5 hours 17. Other functions: 4 sets of UI system Silent alarm clock, remote camera, music control, call ringtone, recording, compass, etc. 18. WeChat campaign: follow the official account, share and synchronize to WeChat 19. APP languages: Chinese Simplified, English, Japanese, German, Italian, Spanish, Russian, Dutch, Thai, French, Portuguese, Arabic 20. Firmware languages: Chinese (Simplified and Traditional), English, Japanese, German, French, Spanish, Portuguese, Italian, Thai, Russian etc.