Mpow Bluetooth 4.0 Receiver A2DP Wireless Adapter for Home Audio & Car Kits with 3.5 mm Stereo Output for iOS & Android Smartphones (Black, Silver) Designed automobile or motorcycle speakers, boats, rvs and more. compatible with all devices enabled with a2dp stereo bluetooth. simple and easy wireless set-up play the music of your iphone/ipod touch, cell phone wirelessly through your car speaker