Unlike standard keyboards, this one features Advanced Encryption Standard (AES), which can help protect your personal and business information by encrypting what you type. Enjoy the classically designed keyboard, with a pillow-textured palm rest for support and comfort. The desktop is completed with a wireless, full-size mouse that features enhanced side grips, four-way scrolling and Blue Track technology. Not only is this desktop secures, comfortable and convenient - it's simple to use - just plug in the transceivers and you're ready to go! Device Type: Keyboard and mouse set - wireless Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Input Device: Keyboard Layout: English - North America Keys Qty: 104 Pointing Device: Mouse - optical Features: BlueTrack Technology, right and left-handed Features: BlueTrack Technology, right and left-handed Manufacturer Warranty: 3 years warranty Device Type: Keyboard and mouse set - wireless Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Type: Keyboard Keys Qty: 104 Layout: English - North America Features: Palm rest Type: Mouse Movement Detection Technology: Optical Pointing Device Features: BlueTrack Technology, right and left-handed Compliant Standards: AES OS Required: Apple MacOS X 10.4.x - 10.6.x, Microsoft Windows Vista / XP / 7 Type: AA type Installed Qty: 2 Service & Support: Limited warranty - 3 years