"The next generation of physical laptop security Combining encrypted security with the simplicity of keyless locking, Kensington's K-Fob is the next generation of keying. The laptop is secured by physically closing the security arm and then released with wave of the K-Fob. This allows you to easily secure your laptop, no matter where you are. ""The next generation of physical laptop security Combining encrypted security with the simplicity of keyless locking, Kensington's K-Fob is the next generation of keying. The laptop is secured by physically closing the security arm and then released with wave of the K-Fob. This allows you to easily secure your laptop, no matter where you are. "