Not just a lantern, the Firefly also has a Bluetooth SNYC speaker allowing you to pair it with multiple lanterns.

Using an infrared remote to control 9 color light selection and fade modes as well as volume.
 
Infrared remote control
9 light colors with flash and fade mode.
Rechargeable lithium battery giving 10hrs working time after a full charge.
Synchronize function allows connection with other lanterns creating surround sound.