IVC-Bass Adjustable Sensory Bass Technology - BASS ONE sends a unique vibration every time the bass hits. Move the slider up for more sensation or down for less. Noise Helmet - Active Noise Cancelling technology takes you into a calm and exceptional musical universe where ambient noise is filtered, in traffic jams, offices, planes and more for better focus on music successes. Super CHARGE AND 50 HOURS OF LIFE - Refusing any unexpected power off, the Super Charge function offers up to 3 hours of listening time with only 10 minutes of charge. Benefits of Bluetooth 5.0, you can enjoy wireless streaming of headphones for up to 50 hours when fully charged. Reliable and Guaranteed Audio Quality - AUSDOM BASS ONE has a 40mm magnet that greatly enhances the stereo effect and high fidelity, providing rich and refined acoustics that complement the bass experience. An unique design for you - Aviation aluminum with grid design shells and a hand-stitching headband different from most headphones, which highlights the unique luxury style.