With POWERPLAY Wireless Charging System and built-in Lightspeed wireless data technology, Logitech G has solved the barriers to high performance wireless gaming. Input lag, wireless disconnects, and dead batteries are now a thing of the past. Welcome to the future of wireless PC gaming, achieved through advanced science and unrivaled engineering. The POWERPLAY base generates a large energy field that is transformed into charging current by the POWERCORE™ module, which attaches magnetically to compatible wireless gaming mice. The beauty of POWERPLAY is that your mouse will charge while you’re at play and at rest.