Litop 2G Pack of 10 Silver Color Crystal Symmetric Heart Shape Pendant USB 2.0 Flash Drive Memory Disk with Necklace Great looking unique design Plug and play installation, no need any extra power supply Keeping and transferring your videos, music, photos etc Operating system supports windows 7 /8,Vista/XP/2000/ME/98/910, Mac OS 8.6 above and Linux, etc 100% of quality assurance