HP GW470AA#ABA Bluetooth Noise Cancelling Headphones (Discontinued by Manufacturer) Go wireless: use with your MP3 player, laptop PC, or CD playerany device with an audio out port Get cleaner, livelier audio quality, advanced bass enhancement, and innovative "center control" with the SRS WOW audio enhancement Listen wirelessly on a plane, or switch to wired audio mode while charging Charge via the AC adapter, or while on the go, use any USB port to charge both the headphones and adapter Fold up for compact portability; stash in the included travel pouch