The wireless speaker X4-TECH Bobby Joey Rockstar features a disco LED light on top that can be turned on at will. The colors change in rhythm with the music in a four-color cycle. Thanks to the built-in battery, you can fully enjoy the balanced sound on the go. Take the device to the park, by the lake, or to the next party. The sturdy wooden speaker housing with a carrying strap and light ball is also a real eye-catcher. It works perfectly with smartphones, tablets, and other Bluetooth-enabled devices. You can quickly charge the device via a Micro-USB port using the included USB adapter. You can conveniently listen to music via Bluetooth, micro SD card slot, AUX-in, or USB connection.