8-inch Full-frequency Speakers - Pump out room-filling, high-quality audio with ease Bluetooth Wireless Technology - Allows you to stream all your favorite wirelessly music content from Bluetooth-enabled devices in high-quality audio Microphone Input - Release your inner Rock star with friends and family thanks to the included wired microphone Multicolor LEDs - Lighting effects that dance along with the music TWS Function - Connect to other True Wireless Speakers (TWS), allowing you to sync speakers up to 33 feet from each other without any wires Built-in Rechargeable Battery - Ensure the fun never has to stop by simply recharging the speaker Media Player - Built-in TF card slot and USB port give you the option of playing all your favorite audio files with removable storage devices such as TF memory cards and USB flash drives FM Radio - Enjoy your favorite local radio stations with the FM tuner Convenient Portability - Trolley system with wheels and a handle built-in