Digital Display Touch Screen TWS Wireless Bluetooth 5.3 Smart Earphones With MP3 Function 1. Screen size: 2.01 inch TFT 2. Bluetooth version: V5.3 3. Charging port: Type-C 4. Listening time with charging case: about 30 hours 5. Use time: about 5-12 hours 6. Battery capacity: earphones: 40mAh; charging case: 600mAh 7. Charging time: about 1.5 hours 8. Frequency range: 20Hz-20kHz 9. Communication distance: about 10 meters 10. Applicable: playback devices with Bluetooth function 11. Memory: 8G 12. APP support language: Chinese Simplified, Chinese Traditional, English, German, French, Italian, Russian, Spanish, Portuguese, Korean, Japanese, etc. 13. Weight: 73g 14. Charging case size: about 6.1 x 6.3 x 2cm Features: 1. LED full-color touch screen, multiple functions, short video control, call answering, music playback and other functions can be operated on the charging compartment 2. Video controller, support a variety of short video APP 3. APP can be upgraded, add new functions from time to time 4. 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 5. Incoming caller name display, do not miss important calls 6. Message notification, information at hand 7. Support a variety of APP information reminder 8. 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