This Logitech K810 is used but in great condition (as shown in pictures).

This keyboard is used so this means it is subjected to wear due to regular use.

This wear is mostly external and does not hinder the device or its functionality.

This device was cleaned but it may need a deeper cleaning.

This keyboard uses a internal battery.

This Battery is used so this means it is subjected to wear due to regular use.

This wear is known as "charge cycles".

A charge cycle is when the battery is drained from 100% to 0% then charged back up to 100%.

This is known as 1 charge cycle.

The battery life as well as the charge cycles are unknown.