Rechargeable via the supplied Micro-USB cable, the keyboard and mouse keep working for up to 10 days on a single charge. Both devices connect via a single Logitech unifying USB receiver, offering 10M range. Easy-switch technology and a Bluetooth wireless technology connection means you can connect the mouse to a second or even a third computer.

https://www.amazon.com/Logitech-Performance-Premium-Backlit-Keyboard/dp/B07C6JCFY5