microsoft bluetooth mouse 5000 pin

What is the Microsoft Bluetooth Notebook Mouse 5000 default PIN?

I've lost my manual and can not find this line.

0000 or 1234

Logitech Cordless Desktop MX 5500 Revolution Bluetooth Mouse and Keyboard $94.99 Keyboard – Wireless – Mouse – Laser – Type A – USB – Receiver…

Microsoft Bluetooth Notebook Mouse 5000 $25.00 Laser – Mouse – 4 x Buttons…

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