HOPE-S 4GB USB Flash Drive Classical Gold and Silver Cubic Diamond Heart Design with Necklace It has a unique and original cubic diamond design. Capacity: 4GB. Small size, easy to use and convenient for carry, lovely design. Compatible with Windows 8, Windows 7, Windows XP, Windows Vista, Mac OS 10+ and Linux.USB 2.0 Compatible (Backwards compatible to USB 1.1). Easy plug and play installation,Built in flash drive in a transformer body,