Kingston 4GB Data Traveler II Yellow Retractable

Dimensions — 2.30" x 0.93" x 0.35" (58.3mm x 23.6mm x 9.0mm)
Operating Temperatures — 0° to 60° C / 32° to 140° F
Storage Temperatures — -20° - 85° C / -4° to 185° F
Convenient — pocket-sized for easy transportability
Simple — just plug into a USB port
Practical — no cap to lose; USB connector protected within case

Compatibility Table:
Operating System File Transfer
Windows Vista® Yes
Windows ReadyBoost™ No
Windows XP (SP1, SP2) Yes
Windows 2000 (SP4) Yes
Mac OS X v.10.3.x+ Yes
Linux v.2.6.x+ Yes