Elegant retractable design, never worry about losing the cap Lifetime warranty, the data storage solution you can trust Easy Plug and Play installation, no fuss on data sharing USB powered. No external power or battery needed Includes JetFlash Elite Data Management Software General InformationImagine doing all your work without the need to take a cap on and off whenever your USB flash drive is used.

Transcend 4GB JetFlash 530 TS4GJF530 USB 2.0 Flash Drive - 4 GB - USB 2.0:

•  With a capless retractable design that protects the drive and its contents, the tough yet stylish JetFlash 530 is a durable and convenient tool for storing, transferring, and sharing multimedia and more.
• Technical InformationStorage Capacity:4 GBInterfaces/PortsHost Interface:USB 2.0Physical CharacteristicsForm Factor:ExternalHeight:0.3"Width:0.8"Length:2.5"Weight (Approximate):0.35 oz