1. Digital Audio Streaming Receiver Box +, if you have Android 5.1 or above car stereo/radio, normally + box can work with it, then you can enjoy the superior audio quality of + in your car! 2. The included antenna -even is advanced with amplified function, high sensitivity, use MCX port to connect; 3. Plug and play, USB port power supply for + box and connecting antenna; 4. Stable reception and high signal-to-noise ratio, stereo output, class quality. Operating temperature: -20 Celsius - +70 Celsius Power supply: 5V, USB port Frequency range: 174-240 MHz Channel separation: 55 dB Channel difference: +/- 3dB Input impedance: 50ohm Antenna input type: MCX Color: Black Material: plastic Package contents: 1x antenna + with USB adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.