Features: 5 Sound Effect Options: BBS, Jazz, POP,rock, and original sound effect to switch from, it allows you to enjoy the music with you favourite sound effect. 4 Repeat Modes: repeat 1, A-B repeat, repeat all, and order play, perfect for learning or music listening. TF Card Supported: designed with a TF card slot, thus you can download your favourite songs to the TF card and play it via this CD player. Car or Stereo Play: connect the CD player to the car/stereo by the included 3.5mm aux cord. Safety Lock: all the control buttons can be locked to prevent accidentally touch, just switch the HOLD button to the ON position. Dual Power Supply Methods: powered by 2pcs 1.5V batteries(not included), or DC 5V1A USB input via power bank, computer, power adapter, etc. Compact Portable Size: 5.6*1.1 inch small size and 7.2oz light weight, the CD player not occupy too much space at home or car, and it is also easy to carry during traveling. ASP Function: anti-shock system to prevent interruption of CD playback in case of vibration.(it is not recommend using the device while walking or running) Specifications: Color: Black / White (Optional) Material: ABS AC Voltage: 110~220V, 50/60Hz DC Battery: 2 * 1.5V LR06/AM3/AA battery (NOT included) DC USB: 4.5V/5V 600mA Noise Reduction: <800dB Distortion: <1% Headphone Jack: 3.5mm Support Disc Formats: CD, CD-R, CD-RW, MP3 Support Music Formats: CD-DA, MP3, WMA Item Size: 142 * 29mm / 5.59 * 1.14in Item Weight: 203g / 7.18oz Package Weight: 420g / 14.81oz Package Size: 17.5 * 17.5 * 4.5cm / 6.89 * 6.89 * 1.77in Package List: 1 * CD Player 1 * USB Cable 1 * Audio Cable 1 * Manual (English)