Usb 30 stick memory size 8 gb backward compatible with usb 20 memory type flash memory dimensions 44 x 18 x 4 5 mm material zinc alloy series silicon power jewel special features splash proof waterproof dustproof shockproof certificatessafety fcc ce weee rohs kcc bsmi manufacturers warranty lifelong weight 59 g compatible operating systems windows xp windows vista windows 8 windows 7 mac os 10 linux 26 fastener without cap colour silver