FEATURES : Bluetooth ,Plays Mp3 files stored in SD card USB drive/external audio derive. FM radio, Microphone inputs Wired microphone included " SMALL, PORTABLE DESIGN: Channel your inner DJ and take the party with you with this portable speaker equipped with an 10-inch woofer unit. You�ll enjoy full-range stereo sound with loud bass, and less distortion even at higher volumes. " MULTIFUNCTIONAL SYSTEM: Our 10-inch woofer are designed to perform multiple functions with a built-in USB port, TF card reader, microphone input, and auxiliary cable input. These speakers allow you to play music, stream from any Bluetooth-enabled device, or connect to your favorite FM radio stations INCLUDES EVERYTHING YOU NEED: This speaker set has everything you need to start using the system upon arrival. Along with the TR-80 Wireless Portable Speaker System, a charging cable, and a user manual. What are you waiting for? Get the party started today with T-Series wireless, portable speaker system! COLORFUL LIGHT : From kids to adults, audiophiles of all ages will be able to appreciate the exciting immersive effects of this sound system, including the colorful LED lights that automatically change as you sing and listen. This adds an extra element of fun to your family get-togethers, outdoor and more. "