Satechi ST-IPOP Ultra Portable Rechargeable Speaker for iPod, iPhone and MP3 player (Black) for $24.99

Amazing, small and lightweight but perfectly formed and an essential accessory for any owner of an iPod, iPhone or MP3 player, this ultra portable rechargeable pop-out speaker is perfect for listening to your favorite music when you're on your travels or out with friends and family. With its bottom panel extended out and bright blue power LED indicator, operating this device of 3" in diameter is disarmingly simple. There is only a power switch, an audio cable of about 4" length and a plug which you insert into audio sources such as MP3 players, mobile phones or notebook computers.