This portable speaker is bound to brighten up your desk. Highly portable with a powerful sound, it uses a standard 3.5mm plug so you can use it with any iPod device, MP3 player, Laptop or any device that uses a standard headphone plug. The built-in rechargeable battery lasts up to 20 hours! It also features a built-in, color changing light with 7 different colors that changes according to the tempo of the music. Ideal if you want to have a mini disco!