Blackview AirBuds 3 IPX7 Waterproof Touch Bluetooth Earphone with Charging Box, Support Call & Master-slave Switching & Voice Assistant(White)

1. Bluetooth 5.1 chip, faster and more stable connection, no sound delay during gaming
2. The speaker driver unit with a diameter of 13mm, the sound quality is clear
3. Touch control, simple operation, support high-definition call, music, voice assistant and other functions
4. Support master-slave switching
5. Use with the charging box, long-lasting battery life
6. Fits to the ear canal, comfortable and reliable to wear
7. IPX7 waterproof

Product parameters:
1. Bluetooth version: V5.1
2. Bluetooth chip: Jerry (AD6973A4)
3. Audio decoding: SBC, AAC
4. Wireless propagation distance: greater than or equal to 10m
5. Battery capacity of the charging box: 220mAh
6. Headphone battery capacity: 30mAh
7. Play time: 5 hours (the actual time is related to the volume)
8. Standby time: greater than or equal to 50 hours
9. Earphone charging time: less than or equal to 1.5 hours
10. Charging time of the charging box: less than or equal to 2 hours
11. Earphone/charging box input voltage: 3.0-4.2V
12. Output voltage of charging box: DC 5.0V+/-0.15V
13. Rated power: 3mW
14. Charging box size: 51.7x46.7x21.7mm
15. Headphone size: 32.9x16.5x17.8mm
16. Weight of charging box: 23.7g
17. The weight of a single headset: 3.g
18. Storage temperature: -20-70 degrees celsius
19. Operating temperature: -10-50 degrees celsius