Logitech MX Master Frequently Asked Questions Manual page 40

LPM
Version
2.0 (0x3)
2.1 (0x4)
3.0 (0x5)
4.0 (0x6)
4.1 (0x7)
4.2 (0x8)
5.0 (0x9)
5.1 (0xa)
On Windows

Go the search box on the taskbar, type Device Manager, then select from the menu. In Device
Manager, expand Bluetooth, right-click on the Bluetooth wireless adapter (ex. "Qualcomm
QCA61x4 Bluetooth" or "Intel(R) Wireless Bluetooth"), and then click Properties.
Supports Bluetooth Low
Energy
(Bluetooth 4.0 or later)
No
No
No
Yes
Yes
Yes
Yes
Yes