The iHM60 is an amazing approach to audio that offers size defying sound. 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, iPhone®, iPod® and other MP3 players, any audio source. Buy two for simulated stereo sound. Available in translucent neon colors.