LED Lamp & Speaker: Get a snazzy portable LED touch lamp with a built in Bluetooth speaker! Adjustable Brightness: Features three levels of brightness so you can adjust it to your liking. Colour-Changing: Set the mood with its colour changing mode (features seven colours)! AUX-In Jack: Aux-In jack makes connecting to your iPod, MP3 and other devices via a 3.5mm audio cable. Rechargeable Battery: Comes with a 1500 mAh premium battery with a two-hour charge time (full-charge). Playback: Enjoy, 14 hours of audio playback on medium-brightness light, 6 hours on medium-volume, and up to 90 hours on low-brightness.