Overview:New wireless noise reduction technology, connection is simpler and faster,Enjoy new sound quality.SOUND QUALITY UPGRADE: Imported granphene vibration film, vigorous heavy bass, More delicate sound processing, clearer sound quality.COMFORT UPDRADE: Skin-friendly materia with ergonomic design, soft into ear, No swelling and pain when wearing, more stable and more comfortable.CHARGING UPGRADE: Upgrade version of charging cabin, providing long lasting battery life.Specification:Transmission range: 10 metersFunction: Voice control, call function, support music, multi-point connectionBluetooth protocol: 5.0Color:as ahown Package Content: 1x Bluetooth headset