Stereo Bluetooth V4.0 Speaker. Enjoy music with our high quality music speaker. Works with iPhone, iPod, Android Smartphones and Tablets. The sensitive Diming System touch can control LED light Three kinds of brightness Protect your eyes with No flicker/ No radiation/ Not dazzling. NFC short range wireless communication technology to simplify wireless connection. Simply touch the keys, and you can easily adjust the light intensity up to: Sleeping mode, Relaxing mode or Reading mode. Fully-Adjustable: Durable & flexible gooseneck arm enables you to tilt & swivel the lamp to create your own unique design; Compact design makes it easy to carry around at home or outdoors. Hands Free & Rechargeable: Use the built-in mic to make or answer calls on your phone; 3.7V/800mA rechargeable lithium battery provides up to 11 hours of music or 7 hours of lighting.