SHARPER IMAGE SBT557BK Universal Bluetooth Wireless HD Headphones With Mic, Volume Control, Foldable, Compatible with All Devices black Listen to your music completely wirelessly with the Universal Bluetooth Wireless HD Headphones by Sharper Image. The headphones effortlessly connect to most Bluetooth devices, ensuring a hassle-free listen. Experience high definition stereo sound with rich, deep bass and accurate highs through the headphones. You can also take calls hands free with the headphones built-in microphone, which doubles as a play/pause button. The Universal Bluetooth Wireless HD Headphones come with an adjustable, padded frame for maximum comfort while listening, s well as swiveling, cushioned ear cups to block out any ambient noise. The rechargeable battery built in to the headphones provides up to 13 hours of playback time, giving you long lasting enjoyment that will last throughout any standard workday or long trip. Then, simply recharge the headphones and youre good to go. The headphones were designed in the USA and come with free customer support and a satisfaction guarantee consisting of a full refund. Connectivity Technology: Wireless - Bluetooth