Features a 2 watt amplified speaker and built-in rechargeable Lithium ion battery that produce surprisingly big stereo sound that will blow you away with its clarity and range. It&'s an ideal way to share your MP3 player, CD player, music-enabled phone, or laptop tunes anytime, anywhere. The included USB port allows USB charging from any USB power source.Color: Pink.Keychain-sized mini speaker.Built-in Lithium-ion battery.Ideal for MP3 player and iPod