PORTABLE, RUGGED DESIGN: Channel your inner DJ with this portable stereo speaker. Equipped with a carry handle, rolling wheels and a hard shell ABS body, this speaker makes the perfect party system. RECHARGEABLE BATTERY: This speaker provides hours of fun, thanks to a long-lasting, rechargeable battery. Rock out to your favorite jams with or without an outlet. Quickly and easily recharge the battery with the included charger. COLORFUL LED LIGHT DISPLAY: Adults of all ages can appreciate the special effects of this sound system, including the colorful LED light display.? MULTI-INPUT SYSTEM: Our speakers are designed to perform multiple functions with a built-in USB port, TF card reader, microphone input, and auxiliary cable input. You can play music up to 33 feet away from your smartphone or tablet with Bluetooth CRYSTAL-CLEAR SOUND: You?ll enjoy a full-range stereo sound with crystal-clear notes, extreme bass, and high treble,? even at higher volumes. Add a professional sound to any outdoor event, indoor party, or office get-together.