"The iHM61 is an amazing approach to audio that offers size defying sound with cool colour changing LEDs. Speaker connects to a computer or other USB power source via the included USB cable to recharge the internal lithium ion battery. Remarkable vacuum bass design gives surprising volume and bass response in a speaker that fits in your palm. Perfect for laptops, cell phones, iPad, iPhone, iPod and other MP3 players, any audio source. Includes travel pouch. • Mini Speakers for any audio source – Speaker works with any 3.5 mm headphone jack, perfect for laptops, cell phones, portable game devices, MP3 players, etc. • Colour Changing LED – Four colours (Blue, Green, Amber, Red) with colour fade and single colour mode"