This car MP3 audio supports BT connection, BT music and BT call functions, suitable for a variety of car models, supports a variety of audio source interfaces, integrated dual speaker design and excellent sound quality. Features: Support BT connection, BT music and BT call function.Support TF card, MINI USB, AUX audio source interface.Supports audio playback in MP3 format.Digital radio, FM three-band, automatic station search, 18 preset stations.Use a round LCD display for black film, time, frequency, spectrum, track and status display.Large rotary knob, electronic volume control.The AUX IN function is supported to connect the mobile phone to play mobile music. USB supports mobile phone charging. Unique panel design, multi-function button distribution, blue backlight. Specifications: Material: Plastic + Metal Power supply: DC 12.0V Speaker impedance: 4-8Šž Rated output power: 12.0V ¡Ý 5W 2 channels Maximum output power: 12.0V ¡Ý 5W 2-channel FM: Frequency ranges: 87.5-108 MHz Noise limit sensitivity: ¡Ü37dBf SNR: ¡Ý 40 dB MP3 player: Frequency response: 100Hz-10KHz (¡À 5dB) SNR: ¡Ý 45 dB Channel isolation: ¡Ý 30dB Harmonic distortion (at 1 kHz): ¡Ü5%Stereo channel balance: ¡Ü3 dB Item size: 178 * 58 mm / 7.0 * 2.3 inches Package size: 200 * 70 * 100 mm / 7.9 * 2.8 * 3.9 inches Packing weight: 300 g Packing list: 1 * Car radio