JOYROOM JR-DB1 Jdots Series True Wireless Bluetooth Earphones(Black)

1. Material: ABS+PC2. BT version: V5.33. Chip: Jieli AD6973D44. BT audio decoding: AAC, SBC5. Supported protocols: HSP, HFP, A2DP, AVRCP6. Working frequency: 2402-2480KHz7. Headphone capacity: 50mAh8. Battery capacity of earphone compartment: 290mAh9. Rated power: 2x2mW10. Music time: about 8 hours11. Talk time: about 6.5 hours12. Standby time: about 48 hours13. Charging input port: Type-C14. Headphone charging time: about 1.5 hours15. Charging time of the charging box: about 1.5 hours16. Water resistance: IPX417. Ergonomic small size design, secure fit18. BT 5.3, low power consumption and stable transmission, audio and video synchronization without delay19. Bio-fiber diaphragm dynamic speaker, HiFi subwoofer quality20. In-ear passive noise reduction technology, immediately block noise when wearing earplugs21. Dual main ear mode, seamless switch between single and double ear, and connect immediately when you pull out the ear22. The playback time of single ear with charging box can reach 48 hours