The BakkerElkhuizen Evoluent4 Bluetooth has great functions like six programmable buttons, a directly reachable DPI-button to adjust the pointer speed into one of the four different values that suits you best, illuminated BakkerElkhuizen Evoluent logo turns off when the system is in power saving mode, and a lip which supports the little finger. Start working with the BakkerElkhuizen Evoluent4 Bluetooth and support your hand in an upright neutral posture that avoids forearm twisting. The BakkerElkhuizen Evoluent4 Bluetooth will provide you with superior comfort during your computer work.