Do you have a question about the Microsoft U6R-00006 and is the answer not in the manual?
Insert two AAA alkaline batteries into the keyboard stand and slide the tray shut.
Turn the device on by pressing Fn+ for 1 second; turn off by holding Fn+ for 3-4 seconds.
Connect the device via Bluetooth by pressing the Connect button and following on-screen instructions.
Use the cover to protect the keyboard, turn the device on/off, and use it as a stand for your tablet.