6-Month Official Warranty
Bluetooth chip: JL 6955 V5.4Battery capacity: 400mAhPlay time: 40H (50% volume)Talk time: 40HHorn diameter: 40MMCharging time: 2HOptimal talk distance <1MMaximum transmission distance 10MBluetooth operating frequency: 2.402GHz~2.480GHzWearing method Head-mountedCharging interface: Type-CUser manual Chinese and EnglishAccessories: USB charging cable, user manual
