- Dual wireless connectivity 2.4 GHz and BT 5.0 - forget about tangled cables - Optical sensor with Blue Sense technology that works on all surfaces, including glass over 4 mm thickness - Vertical shape reduce muscle tension, allowing hours of use without fatigue and wrist pain. - DPI change button allows quick switching between 5 levels - 5 programmable buttons allows to assign useful functions directly from the mouse - OLED display shows useful information at your sight - Silent switches provide greater comfort for your ears - Teflon glides ensure smooth movement of the mouse on the surface - Built-in memory allows to store settings even when you turn off the computer - Built-in 500 mAh rechargeable battery - you don't have to worry about replacing batteries at the same time saving the environment-