About this item WIRED NOW WIRELESS: Upgrade a wired device like a car stereo, speakers, headphones, and more to become a wireless device with this Bluetooth receiver via 3.5mm AUX or included RCA adapter HOOK AND LOOP ADHESIVE: Use the provided hook and loop adhesive fastener to attach the Bluetooth receiver to the device. Attach to the flat surface of car dashboard, headphones, speakers, and more BLUETOOTH CAR STEREO SYSTEM: Transform your car stereo with the Bluetooth car adapter. Connect via 3.5mm Aux to wireless stream music, podcasts, and more from your phone. IN THE BOX: BlueGATE RCV Bluetooth Receiver Adapter, RCA to 3.5mm Adapter, 3.5mm Audio Coupler, 3.5mm Extension, Micro USB Power Cable, Adhesive Mounting Kit for semi-permanent installations TECH SPECS: v2.1+EDR | A2DP | Operating Distance: 40 feet | Charging Time: 3 hours | Audio Playback: 15 hours | Power: USB 5V DC | Output: 3.5mm | Dimensions: 1.6 x 1.3 x 0.75 inches