HP 235

Experience a comfortable, elegant, and quiet keyboard and mouse set. Enjoy maximum efficiency with minimal noise. Additionally, the long-lasting battery ensures that you can stay productive all day long. Free yourself from cables, reduce clutter, and enjoy freedom of movement with a lag-free 2.4 GHz wireless connection. Comfort meets durability. Tackle any task with the robust, ergonomically designed mouse. Just one set of batteries. Up to 16 months of power. Experience impressive battery life: the keyboard lasts up to 16 months and the mouse up to 12 months.