Features: Suitable for both home and car use. Stable transmission and fine sound quality. USB function, support FM radio play. With a remote controller for long distance control of the machine. Adopting a 3.5mm AUX port to give you a nice hearing enjoyment. Specifications: DC Input: 12V, 3A Rated Power: 15+15W Load Impedance: 4-16 SNR: 85dB Distortion Rate: 0.05% Input Sensitivity: 0.25-5V Frequency Response: 20Hz-20kHz. FM Frequency Range: 87.5MHz-108.0MHz Remote Control Battery: CR2032, 3V Item size: 190 * 140 * 55mm / 7.5 * 5.5 * 2.2in Item weight: 500g / 1.1lb Package size: 220 * 150 * 65mm / 8.7 * 5.9 * 2.6in Package weight: 602g / 1.3lb Package List: 1 * Audio Amplifier 1 * Remote Control