Usb 30 stick memory size 64 gb backward compatible with usb 20 memory type flash memory material plastic series silicon power jewel special features dustproof shockproof waterproof certificatessafety ce fcc bsmi weee rohs kcc manufacturers warranty 30 years weight 359 g additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 windows 10 mac os x 103