Logitech B330 Silent Plus - mouse - 2.4 GHz
With great noise reduction, B330 Silent Plus offers a quiet experience for yourself and those around you. It has a long-lasting battery life with auto-sleep and a powerful wireless range with 128-bit encryption between the mouse and the receiver. Plus, it's designed with contoured grips made of soft rubber for total comfort. Just plug the tiny USB receiver. Finally, the Logitech advanced optical tracking guarantees smooth and precise moves on almost any surface.