This HP 720 wireless keyboard pairs to your Windows PC with a single click using Microsoft Swift Pair. You can connect up to three devices and switch between them with a single tap using the multi-device key. Its battery-battery free design uses a supercapacitor that can give you up to 2 months of use between charges. And with ultra-fast charging you can get it back to 100% in just 3 minutes. Good to know - The HP Unifying Dongle gives you a secure connection and pairs with up to 8 HP accessories - Contoured keycaps make typing feel smooth, quiet and easy on your fingers - A spill-resistant build helps protect the keyboard from everyday mishaps like coffee splashes