AXESS SP1003 Music Box Speaker with Subwoofer Includes FM Stereo, SD/USB/Line-In Inputs (Silver) Portable speaker, Subwoofer, FM Stereo, USB and SD Very clear sound and heavy bass for music, dynamic sound effect, virtual surround sound Side panel control for volume and bass Built-in rechargeable battery 1200 Mah With FM radio & handle, for easy transport