Fangrui Product Details 1. Digital Display Touch Screen Tws Wireless Bluetooth 5.3 Smart Earphones With Mp3 Function 2. Screen Size: 2.01 Inch Tft 3. Bluetooth Version: V5.3 4. Charging Port: Type-c 5. Listening Time With Charging Case: About 30 Hours 6. Use Time: About 5-12 Hours 7. Battery Capacity: Earphones: 40mah; Charging Case: 600mah 8. Charging Time: About 1.5 Hours 9. Frequency Range: 20hz-20khz 10. Communication Distance: About 10 Meters 11. Applicable: Playback Devices With Bluetooth Function 12. Memory: 8g 13. App Support Language: Chinese Simplified, Chinese Traditional, English, German, French, Italian, Russian, Spanish, Portuguese, Korean, Japanese, Etc. 14. Weight: 73g 15. Charging Case Size: About 6.1 X 6.3 X 2cm 16. Features: 17. Led Full-color Touch Screen, Multiple Functions, Short Video Control, Call Answering, Music Playback And Other Functions Can Be Operated On The Charging Compartment 18. Video Controller, Support A Variety Of Short Video App 19. App Can Be Upgraded, Add New Functions From Time To Time 20. Mp3 Playback Function, Support Mp3, Flac, Mav And Other 4 Audio Formats, Headphones Directly Connected To The Warehouse, You Can Play Music, No Need To Connect The Phone 21. Incoming Caller Name Display, Do Not Miss Important Calls 22. Message Notification, Information At Hand 23. Support A Variety Of App Information Reminder 24. With A Variety Of Screensavers, Support For Personalized Screensavers, You Can Upload A Picture To The Headset Smart Charging Cabin Through The App To Set As A Screensaver Picture