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Below, I use the picture to briefly describe Changhong TV connection keyboard and mouse several ways ~~ 
The picture above shows a 2.4g wireless keyboard and receiver (I'm a special remote controller for smart TVs. There may be some differences between the keys and the keyboard) 
This picture shows a wired mouse
1. Get ready for the wireless or wired device you need to connect.
2. Connect the USB port behind the TV 
3, connected to the TV, see the red virtual mouse arrow appears on the screen to use, you can use. The keyboard can only be used when entering text, numbers, passwords, or playing specific games. 
4, some self-equipped remote control will have some special function key buttons, these additional features, please refer to the use of business instructions. For example, the virtual mouse button in the figure below. . . 
The above types of mouse and keyboard connection to the TV, 2.4g wireless mouse and keyboard connection is the most convenient, fool.
Wired mice are mainly limited to the length of the line. Bluetooth, which requires a Bluetooth-enabled TV, is more limited than 2.4g.
Knowledge Encyclopedia: There are some differences between the habits of using the mouse and keyboard of the Android system and windows. For example, the left mouse button only supports clicks, and the right mouse button only returns functions.
The keyboard also has no convenient function keys for windows.
Changhong TV users can refer to the tutorial: Changhong TV Universal Tutorial Installation Method Install a sofa housekeeper to implement third-party application extensions.
Xiao Bian Comments: Changhong TV how to connect the mouse and keyboard
Many children's shoes that use Changhong TV want to try to link the keyboard with the mouse and experience the thrill of using the mouse and keyboard on the big screen. The method is very simple. Xiao Bian teaches you how to use it. It is plug and play.