Premium HD sound quality, audio quality level: Nirvana- so hit the beat at your speed with dynamic 40mm drivers delivering you the sound that allows you to get your real vibes on, catch your rhythm as soon as the sun rises Comfort fit easy style design -foam coating around the ear cups and headband allow for a combined feeling of comfort, accentuated by the shape and lightweight build of the Rockerz 440. Better yet, it comes in 3 colors so take your pick Easy access integrated controls -with the multi-button function and voice activation button, navigate your way to the shores of nirvana, take calls using the headset through the installed microphone, live it the easy way Dual mode: Aux/Bluetooth v5.0 -with Bluetooth version 5.0 the rockerz 440 allow for effortless streaming and easy listening, the aux port comes into play in times of low battery, airplane mode or connectivity issues Up to 8 hours of play-time - soak up close to 8 hours of play time at your convenience with the re-cha