MPOW Portable Bluetooth 3.0 Audio Music Streaming Receiver Adapter with Hands Free Calling and 3.5 mm Stereo Output Music or call switching, free and relaxed. Super clear and flow conversation effect. Two-link: can connect two Bluetooth devices at the same time. Over length receiving distance, can reach more than 10M in open space without cables. Automatically connect, if you need the cell phone connect the receiver automatically, just turn on the Bluetooth of the cell phone first, and then turn on the Bluetooth receiver, The Bluetooth receiver can be automatically paired. 3.5mm stereo audio output, LED indicator, one touch connect button. To get high charging speed in your car, we recommend the Mpow 4.2Amps 20W Dual USB Port Car Charger, please search ASIN:B00HLHHBHA to find it.