Companion 107 is a wireless keyboard and mouse combo that comes with a nano receiver(inside keyboard battery panel) built for home/office use. The keyboard features 104 keys inclusive of a rupee key. It has a low battery LED indication,and a power-saving mode. The mouse that tags in this combo is ergonomically designed and super compact. It is a high precision mouse with 1200 DPI, and three buttons.104 Keys With Ruppe Key