... Multi-function Music mouse pad. 2.with 3 USB HUB (1.1) interface, with stereo,Speakers, PTT intercom function. Product specification:1) Plug and ... / Me / XP Linux and Mac OS3) Version: USB 1.1 compatible USB 2.0 4) Mouse pad dimensions: 280 x 240 x 28mm5 ... Barcode,color,length or other specification can be customized. Mouse Pad Mouse Mat Blue LED Light with 4 port USB 2.0 Hub Genuine Belkin PC Mac