4GB Heart-shaped USB Flash Drives Jump Drive for Pretty Girl Silver Convenient-pocket sized for easy transportability. Great and comfortable hand touching texture. Plug and play, No need extra power supply. Best Chioce:not just usb but also decoration ,express your feelings to lover , three functions of one product Compatible System: Windows 98Me2000XPVista788.1, Mac OS 9.0, Linux 2.4 and above