- The built-in palm cushion means your hand stays comfortable during long working sessions- Its right-handed design fits the shape of your hand- Its SmartWheel lets you switch between two scroll modes- The Logi Options+ app lets you customise the buttons, check battery life and more - Quiet clicks keep things peaceful - Tri-mode connectivity lets you connect with up to three devices at once - Get up to 2 years of battery life from a single AA battery