Sharper Image SBT609XBK Bluetooth Speaker with LED Lights, Portable & Rechargeable astounding sound-responsive technology couples with rich audio to create the Sound Responsive Equalizer Speaker by Sharper Image The built-in equalizer panel allows for the direct control of bass, treble, and tones, truly crafting a custom sound for each user's tastes and preferences The speaker has four different light patterns to choose from, with a sound-responsive option in which the LED lights move to the music. Control volume directly from the speaker or on your device. Built-in microphone to take calls The multicolored lights can also be shut off. The speaker is equipped with Bluetooth for seamless connectivity to any compatible device like iPhone, iPad, Android Smartphones & Tablets, broadcasting powerful, high-quality sound wherever you want it The speaker also comes with an aux-in 3.5mm option that works with most devices. This party Speaker runs on a rechargeable battery, bringing the party anywhere you go. Designed in the USA. Free customer support