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). 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. 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. 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. Bluetooth Wireless: Easily pair your phone/tablet or other Bluetooth devices to this CD boom box to wirelessly stream your favorite music and podcasts, with stable connection and extended wireless range. AM/FM Radio: The portable radio features a highly sensitive receiver that provides good reception for both AM and FM stations, an easy-to-use tuning dial, smooth digital tuning, and 30 presets, allowing you to easily store and access your favorite stations. 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. 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.