[HK Warehouse] Blackview T0003 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 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. Charging box battery capacity: 220mAh 6. Headphone battery capacity: 30mAh 7. Play time: 5 hours (the actual time is related to the volume) 8. Standby time: more 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