Portable CD Player: The CD player is equipped with Bluetooth and rechargeable battery and supports playback of CDs and USB. There are various modern functions. ASP: Anti-shock protection to prevent disruption of CD playback in case of vibration; Loop playback: repeat once, repeat everything, random playback, normal; A-B repeat. The magnetic dust cover prevents performance problems caused by dust deposits. Bluetooth CD player: built-in high-performance Bluetooth chip, faster transmission speed, stable performance and high anti-jamming ability, supports connection to Bluetooth headphones or Bluetooth speakers. Enjoy wireless music without delay. Note: If you want to connect your car audio, please make sure your car has AUX input/output, it can only be connected with AUX cable. 1200 mAh rechargeable battery: you no longer need to use AA batteries or always connect the charger to the CD player. The CD player can be charged via a DC 5V/1A adapter, power bank or computer with micro USB 2.0 standard with the included Type-C charging cable, full charge in about 3 hours with green display. Portable and convenient for you to carry wherever you want to enjoy music. Easy to use: on the top, the CD player has a classic black colour and buttons for the playback functions with perfect LCD display; On the side, you can easily adjust the volume; there is a HOLD button to avoid accidental touching of the buttons. Note: Please make sure the "HOLD" switch is off before turning on. Wide Compatibility The CD player portable is compatible with CD, CD-R, CD-RW, MP3, WMA formats, AUX with all audible devices 3.5mm audio input, such as connecting the speakers or headphones or car, this CD player gives you more options to enjoy your favorite music. It is the best choice for music lovers, language students and expectant mothers, and the most beautiful gift for friends, family and children.