You can connect the Signature K855 with your device using either the Logi Bolt receiver or Bluetooth.

To connect your device using Logi Bolt:

1. Take the Logi Bolt receiver from the packaging and plug it into your computer. You’ll find the receiver in the front of the box, in the middle.
2. Pull out the tab on the back of the keyboard. It will automatically switch on.
3. If you are a Windows user, you're ready to go. If you are a Mac user, you'll need to press the FN + O keys for three seconds to trigger the Mac layout and support for the keyboard.

To connect using Bluetooth:

1. Pull out the tab on the back of the keyboard. It will automatically switch on the keyboard.
2. On your device, open the Bluetooth settings and select Signature K855 from the Bluetooth list.
   

Function keys

The following media key functions are assigned by default. Press FN + Esc key to switch the media keys back to normal function keys. You can also use Logi Options+ to customize the F4-F12 keys.