Bring incredible light and sound to your party with the Yellow QFX BT-41-Egg-Yolk Bluetooth Radio TWS Ready Speaker! This TWS ready speaker features a FM radio and USB/microSD inputs. You can connect 2 BT-41 Bluetooth speakers using True Wireless Audio (TWS) technology for a stereo audio experience. TWS is a wireless technology that allows 2 speakers to connect, sync, and play audio simultaneously. Stream audio from your phone via Bluetooth to get true stereo sound! TWS works only via Bluetooth for this model.