Get the ergonomic support you need with this wireless mouse that features soft rubber grips, gently curved sides and broad palm area. Standard and programmable buttons make flipping through photo albums and documents a breeze. Logitech Unifying USB receiver stays plugged into your laptop for added versatility and is compatible with other Unifying mice and keyboards. Side-to-side scrolling allows you to quickly navigate through your music library, favorite web pages and more. On/off switch and smart sleep mode help conserve and extend battery life.