COMTOP Crystal Lipstick Case Jewelry USB Flash Memory Drive with Necklace 8gb interface: USB 2.0; Capacity: 8 GB It even comes with a necklace to prevent you from forgetting or misplacing it. It makes for a great gift for family,friends or even significant others so don't pass up this terrific offer! Compatible with Windows 2000/XP/Vista/7, MacOS 10.47 or later Exquisitely Detailed Designer Style USB FLash Memory,Ready for giving to your friends and family.