Bluetooth Audio Receiver Adapter Hands-Free with Noise-Cancelling Microphone by GOgroove - Allows you to Wirelessly Stream Music to Beats , Sony , Bose and More (Includes Microfiber Cloth) SUPERIOR BLUETOOTH WIRELESS TECHNOLOGY allows you to listen to your favorite tunes from your wired headphones COMPACT AND SIMPLE directly plugs into the 1/8 inch stereo port on your headphones ONE BUTTON DESIGN and NOISE CANCELLING MICROPHONE enables you to make and receive phone calls WORKS WITH Sennheiser , Sony , Bose , Beats , V-Moda , Skullcandy , GOgroove and more 3 YEAR WARRANTY | Designed in California