+ Digital Audio Broadcasting Receiver Box, if you have Android 5.1 or above Car Stereo/ Autoradio, normally this + box can work with it,then you can enjoy the superior audio quality of + in your car The included antenna itself is advanced with amplified function, high sensitivity, use the MCX port to connect Plug and play, USB Port supply power for + Box and the connecting Antenna Stable receiving and high signal noise ratio, stereo output, class quality Hign-concerned Chemical:None Model Name: BOX type:Receiver & Antenna For:Android car radio (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * +Radio Receiver Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.