The QFX BT-64 is a portable Bluetooth rechargeable speaker that features a 4” full-range speaker driver with built-in FM radio and LED circle lights. kick off your next get together by streaming your favorite music over Bluetooth from your favorite app. Play MP3 music files stored on USB drives and TF cards or from an external audio player via the AUX input. Plug in a microphone and sing along with your favorite song. Add a second BT-64 and enjoy True Wireless Stereo (TWS) sound. | Qfx | | Portable Bluetooth Rechargeable Speaker with LED Party Lights | Black | Best Buy