Usbkingdom 8GB USB 2.0 Flash Drive Metal Heart Key Ring Shape Waterproof Key Chain USB Pen Drive Memory Stick Pendrive Thumb Drive Vintage copper metal heart key shaped usb flash drive,size 3.15*0.63*0.27 inch,weight 0.63oz,real capacity,good choice for using or as gifts for friends Heart key design,easily attach to keychain, briefcase, purse, backpack,etc;Can be stored in your wallet or pocket,easy to keep important files handy High speed USB 2.0 interface and compatible with USB 1.1;Use A-class chip, can be erased repeatedly for 100,0000 times Plug and play;Easy to read and write in high speed;Low power consumption, durable solid-state storage Operating System: Windows 10/8/7/Vista/XP/ME/2000/ Mac OS X / Linux 2.6x and more