You can find out many USB drives with password function on the Internet. But if you want a unique way to protect your data, the voice authenticating USB flash drive should be able to draw your more attention.
This is a unique USB flash drive that measures 2-1/2 x 3/4 x 1/4 inches and weights 1-1/2 oz. As we can see from the images, the USB drive features compact design, a rotatable metal cap protects the USB connector, and the custom hole allows you to attach the USB flash drive to your keychain. Most importantly, the USB drive also features a built-in sophisticated voice recognition software that can detect the specific frequencies and nuances of its owner’s voice. All you need to do is to plug the USB flash drive into a USB port and speaking a password. Once authenticated, you can access your files stored in the USB drive. Of course, when you get a cold, an alternate entry is also available.
The voice authenticating USB flash drive with 8GB capacity is priced at $49.95 USD. If you’re interested, jump to Hammacher Schlemmer for more details.