Only at Best Buy Upgrade your sound setup with these Insignia Bluetooth bookshelf speakers. Volume treble and bass dials provide greater control over your home party and the energy-saving design makes a minimal impact on your bills. The remote control RCA cable and speaker wire included with these Insignia Bluetooth bookshelf speakers ensure a quick-and-easy installation. Near Field Communication NFC and Bluetooth technology Offers easy connectivity to your compatible device. 3.5mm jack Enables easy connection of a microphone. Removable grille Remains acoustically transparent while protecting the speakers components.