Not so much, but a flaw in the current design. As we all know, the power supply of the cable mouse is carried out by the host computer. Wireless, on the other hand, is powered by internal batteries. Due to some usage habits, after shutting down, you will not turn off the wireless keyboard, mouse power switch. Therefore, the wireless keyboard and mouse are not durable and easy to damage.
You buy a wireless mouse, 5 battery can power for six months. The keyboard is shorter, about three months. A wireless keyboard and mouse can last for more than 2 years if you maintain them well