TranBluetooth chip: the new version 5.0 dual-issue solution Binaural direct connection (regardless of primary and secondary)
Headphone capacity: 60 mAh Charging compartment capacity: 800 mA Headphones fully charged time: 8 hours Charging times of charging compartment: 6-7 times Sound unit: 6nmHIFI sound unit Diaphragm: polymer lead-plated diaphragm