There is a nice document at HP.com that you may want to read ... There is no magic formula for improving the battery life of a wireless keyboard and mouse drastically but keeping these tips ...

To compile this list, we extensively researched various wireless keyboard and mouse combos available in the Indian market. We considered factors such as performance, design, connectivity, battery ...

Wired keyboards and mice are more durable compared to wireless devices and are ... a sleek and compact design. The HP Desktop C2500 keyboard and mouse combo comes with a full-sized keyboard ...