Support hands-free calls. Support advanced audio transmission mode. Support clock display when powered off. High-quality digital stereo FM radio. FM: Supports three-band radio storage (FM1-FM2-FM3) with up to 18 preset stations. (Radio frequency: 87.5108 MHz) Supports USB and TF card reader. Supports audio formats: MP3, WMA, WAV, and more. Supports folder playback function. Supports breakpoint memory and ID3 tag playback. Supports remote control operation. Rotary electronic volume control. MP3 playback supports pause, preview, repeat, random play, and 10-track forward/backward selection. Electronic bass, treble, left/right balance, and front/rear balance control. Multiple EQ mode options: Rock, Pop, Classical, etc. Supports mute and loudness control. Front AUX audio input jack and rear RCA audio output (L/R). 4-channel high-power output (supports 4 high-power speakers), 60W x 4. Operating voltage: DC 12V. Color: As shown in photo. Material: Plastic + Metal. Package Contents: 1 x MP3 Player 1 x Power and Car Speaker Cable Set 1 x Remote Control (battery not included) 2 x Removal Keys 1 x English Manual The package includes only the items listed above; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 13 cm.