Go-Rock Red 3.5mm Portable Mini Speaker With Retractable Cables For MP3 Players, Mobile Phone, Tablet, IPOD, IPhone, PC, Netbook, Notebook (TRMS02MC-RD) 1 X Go-Rock 3.5mm Portable Mini Speaker - Red TRMS02MC-RD Compatible with any 3.5mm DC audio jack ouput - from MP3 players, some mobile phones, iPod / iPhone, NB, Netbooks, PSP, and other game consoles. These palm size, stylish speakers are small in size but big in bass and volume. The patented retractable cables are compact and convenient making go'rock ideal for listening to the music or any other audio content on the move, or on the desktop. Travel size speakers, built-in retractable cables, Expandable bass chamber, magnetic lock to secure two-piece speakers (1set).