Sony GTKXB60/B High Power Portable Wireless Bluetooth Speaker, Black VG

LED effects,

• Built-in battery lets you play music anywhere
  Take the party outside without worrying about finding a power outlet. The built-in battery kicks in whenever you're not plugged into the mains, giving you up to 16 hours of play time, or up to 3.5 hours at maximum volume. Alternatively, activate stamina mode and the volume will drop slightly to give you up to five hours of playback.
• Infinity Mirror lighting creates stunning visual effects
  Enjoy intense lighting effects thanks to the infinity mirrors. Positioned around the speaker lights, they bounce light back and forth endlessly, creating an energizing party atmosphere to get people dancing.
• Wireless party chain via Bluetooth connectivity
  Enjoy the same song with Wireless party chain. Connect up to 10 compatible wireless speakers via Bluetooth technology and synchronize the music and lighting so everyone's dancing to the same beat.
• Mic input lets you be the voice of the party
  When you want to be the party MC, just plug in a microphone.