Frisby FS-5070BT 5.1 Surround Sound Home Theater Speakers System with Bluetooth USB/SD and Remote Bluetooth 5.1 and enhanced bass high technology/compatible with all Bluetooth enabled devices USB/SD/MMC memory cards audio inputs and just plug in your memory cards stored MP3 files to play directly on the woofer Each to connect, search for Bluetooth device in your phone and connect and enjoy listening music or audio files wirelessly Wireless range: Approximately 30 ft. LCD display