Connectivity: 2.4GHz Wireless (uses a small USB Nano receiver stored inside the battery compartment).
Sensor: Features a "Blue Optical Sensor," which is generally better than standard red sensors for tracking on a wider variety of surfaces (like glossy desks).
DPI (Sensitivity): Fixed at 1200 DPI. This is the "sweet spot" for standard office work and web browsing.
Silent Click: Designed with "Mute Buttons" to reduce clicking noise by about 90%.
Ergonomics: A symmetrical, low-profile design that works for both left- and right-handed users.