Usbkingdom 32GB USB 2.0 Flash Drive Cartoon Round Syringe Injector Shape For Nurse Doctor USB Pen Drive Memory Stick Novelty transparent syringe shaped usb flash drive,with red LED light when plug into computer;3.74*0.7 inch,0.5 oz,real capacity,good choice for using or as gifts for nurse doctor surgeon USB 2.0 connection,support Hot plug and Play.Fast speed in write/read transfer.No need to install any software High speed USB 2.0 interface and compatible with USB 1.1;Use A-class chip, can be erased repeatedly for 100,0000 times Store and transfer photos, videos, songs and other files between pc computers. Operating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 annd more 100% NEW,all of our products will be tested before shipping.We promise that we will serve for any problem about the product within one year since you buy