This neodymium speaker with built-in equalizer and adjustable bass produces big sound for its size. Perfect for music lovers on the go, this speaker is plug-and-play ready. Conveniently connects to any device such as tablets, phones, or MP3s from its built-in, retractable 3.5mm jack. Wherever life takes you, you'll enjoy crisp, clear sound from this high-performance speaker. Uses a lithium battery (included). Imported.