What are the buttons and connection modes of the Xiaomi Dual-mode Wireless Mouse 2?

The detailed information about the Xiaomi Dual-mode Wireless Mouse 2 is as follows:
1. The Xiaomi Dual-mode Wireless Mouse 2 has the following buttons: Left Button, Middle Button + Scroll Wheel, Right Button, Forward Button, Backward Button, On/Off Switch and Battery Compartment.

2. Connection mode:
(1). Toggle the on/off switch to "USB receiver icon" and set it to 2.4GHz mode;
(2). Toggle the on/off switch to “Bluetooth logo” for Bluetooth mode.
3. There is one indicator on the mouse.