Enhanced Stereo Sound: Dual premium front-firing 3 speakers housed in the sturdy construction deliver dynamic, clear, and well-balanced stereo sound. The built-in BASS boost technology enhances low-frequency bass response simply with the press of a BASS button. CD player: With precision CD drive and upgraded digital processing circuitry, the top-loading CD player delivers high-quality audio with playback of CDs, CD-R/RW, MP3 CDs and audiobook CDs. Shuffle, repeat and program functions give you full control of how you listen to your tunes. USB Player: Easily plug and play MP3/WMA music audio files recorded on USB flash drives with a capacity of up to 128GB (FAT32 format only, exFAT/NTFS not supported), with shuffle, repeat and program functions. Aux-in and headphone connectivity: An auxiliary audio input lets you connect select digital music players for easy access to your music; A headphone jack provides a more personalized listening experience. User-Friendly: Resume-point playback function; Full-screen LCD display; Smooth volume dial and tuning dial on the top; Easy-to-operate BASS boost button; Durable hinged CD compartment cover; and more. AC/Battery Power Options: AC (AC cord supplied) and battery power options make it perfect for outdoor activities or use at home. Requires 6 C Batteries (not included).