The Ultimate Sound Comfort Pro is designed with superior comfort. With its integrated noise reduction technology you can now enjoy your favorite music, and tune out into your own world. Comes equipped with an integrated rechargeable lithium battery that provides up to 20 hours of music playtime. Designed with rotating and foldable ear cups for fast storage and easy carrying. Plus, with the added extra features like a 3.5mm audio jack for wired playback; integrated media controls for music and call management; awesome HD sound and Bass; this makes the perfect wireless BT headset companion.