IQ Toys Portable Sing Along CD/USB/SD Player Anti Skip, with 2 Microphones & AC Adapter Kids sing along - Includes an input for a USB device & for an SD card too Includes an adapter - No need for batteries (If desired, you can use 4 C Batteries) Volume control - Separate one for the MIC & separate one for the CD player Includes buttons such as - Stop, Play, Pause, Skip, etc. Anti Skip protection - Includes jack for headphones (Headphones not included)