(Black Color) Wireless Portable Bluetooth Music Speaker with LED Disco Mirror Ball - Portable Wireless Bluetooth Rechargeable LED Crystal Ball Disco Light with Loud Sound Speaker - Slick and Stylish; Portable and extremely lightweight - Connect to any device with a Bluetooth function (This speaker supports Bluetooth only. It hasn't SD Card slot/ USB slot.) - Crystal clear sound quality; Compatible with MP3 - LED light in disco crystal ball