Note: Click the power button to switch to the AUX interface to search for . After connecting, press the power button to switch to the BT interface to use Description This product is a car stereo. It designed with digital FM stereo radio, preset 18 stations(frequency: 87.5-1.8MHz). Support large capacity SD card, MM and U disk play with MP3, WMA, WAV, etc. A mute botton design for you to cut with different occasions. Features - Color: as shown. - Material: ABS. - Size: 18.8 x 5.8 x 12cm / 7.4 x 2.3 x 4.7inch. - Voltage: 12V. - Built-in microphone. - Hands-free calls. - Supports advanced audio distribution profile. - Off time display function. - Digital high-quality FM stereo radio, preset 18 stations (frequency: 87.5-108 MHz). - Support USB / SD / MMC reader. - Support audio: MP3 / WMA / WAV, etc. - Support folder function. - Support breakpoints and ID3 play. - Support remote control. - Rotary volume control. - MP3 randomized, 10 track up / down playback. - Electronic control volume treble, bass, balance and fader. - Multiple EQ Scene Selection: jazz, rock, pop, classical, etc. - Mute and loudess control. - L / R RCA audio output jacks. - 4-channel high power output (4 loud speaker).