W35 wireless headphones 1, Bluetooth 5.3; Chip: JLAC7006 2.Battery capacity: 400mAh, charging for about 2 hours 3.Use time: 40 hours; standby 200 hours 4.Size: 193*170*76mm; Weight: 193g 5.Support Bluetooth, AUX, TF card mode 6.Support Chinese and English prompts: double-click the M key in unpaired state