. With a 1200 dpi BlueEye engine NX-7000 is easy to use anywhere even on a granite countertop wood table carpet or sofa. The contoured shape design is suitable for either hand and is comfortable for all-day use. When you are on the go you can store the receiver in the bottom of the mouse. The universal pico receiver allows to connect to other compatible Genius mouse models. 2.4Ghz wireless mouse1200 dpi BlueEye sensor for smooth movement controluniversal USB Pico receiverpower switch extends battery lifecontoured shape great for either hand . Great for either hand The contoured shape feels great in either hand and gives you maximum comfort for all-day use. Track on almost any surface NX-7000 uses 1200dpi BlueEye technology providing amazing tracking accuracy and is surface-friendly so you can use it on almost any surface such as dusted or marble glass a sofa or even on the carpet. Pico receiver storage When you are on the go you can store the receiver in the bottom of the mouse. Unify your Genius mice You can use NX-7000 receiver to work with other Genius wireless mice for more mobility. No more worries if you lose a receiver from one of Genius wireless mice in the future.