Crosley Bluetooth Speaker with USB Phone Charger, Grey Speaker Type Subwoofer Connectivity Technology Bluetooth, Auxiliary, USB Special Feature Bluetooth Speaker Inspired by mid-century modern architecture, the beautiful Bluetooth speaker lets you stream your favorite digital playlists Switch up your music sources with the Aux input and USB; USB port doubles as a phone charger Sophisticated gold-toned hardware, rich walnut veneer, and vintage-inspired heather gray speaker cloth Three knobs on the top let you control volume, treble, and bass Integrated subwoofer for quality sound