BlitzWolf® AIRAUX AA-ER2 bluetooth V5.0 Graphene Headphone with Breathing Light 40mm Dynamic Driver Foldable Over-Ear Ga

Features 1 Practical in Use The headphone features the 9D stereo surround sound dynamic diaphragm unique cavity 40mm 1 57in about large moving coil 2 Long Battery Life The headphone supports about 20 hours of continuous listening songs about 150 continuous songs and about 3 hours of charging time 3 Perfect in Use Two modes can be switched freely including Bluetooth connection and wired connection 4 Fine Quality The headphone features the upgrade Bluetooth 5 0 chip for faster connection And it is stable in use which features the wider transmission range 5 Fine Design The headphone features the ear wrap design no pressure on ears high elastic protein leather material soft texture good breathability which is comfortable and painless to wear and it is foldable for storage SpecificationsModelAA ER2bluetooth VersionV5 0bluetooth SchemeBK3266bluetooth Distance≦10mDecoding FormatSBC MP3Support ProtocolHSP HFP AVRCP Battery3 7V 500mAhCharging Time2 3hPlayback Time20hCall Time22hFrequency20Hz 20kHzChargingMicroUSB DC5V 1AProduct Size165mm 180 mmNet Weight191 5g±3gAudio Cable Length80±5cmSound Unitφ40mmImpedance32ΩSensitivity108±3dBFrequency Range20 20KHzMaximum Output Power60mWPackage Included1 AA ER2 Headphone1 Charging Cable1 Audio Cable1 English User Manual