Microsoft PY9-00001 Wireless English Keyboard, Black

Enjoy the freedom and comfort of wireless technology. You can roam up to 4.5 meters with a strong signal. Or you can take the mouse separately for use with your laptop while traveling - the small receiver easily sits at the bottom of the mouse when it's time to pack and go. This keyboard also has an Advanced Encryption Standard (AES), which protects your personal information and your business by encoding your keystrokes. Reliable wireless connectivity. Advanced Encryption Standard (AES) 128bit. Easy-access hotkeys. Designed with a relaxed design for both hands. Microsoft's Optical Technology. Battery life indicator.