... :Metal , support plastic materialItem no:MU-085 Description:Memory Chip:Samsung/Toshiba/Intel/HynixSpeed:writing speed :3-8M/ ... /sAccessory choices:Manual ,CD drive, USB cable, lanyard, key ring, key chainOperating system:Windows XP, Windows 2000, Windows Vista, Windows ... to Shenzhen Worthspark CO.,LtdShenzhen Worthspark Co.,Ltd. is USB Flash Drive and power bank developing, manufacturing and marketing ...