We have tested AdMouse in the laboratory and in the following lines we summarize our impressions.
The product is received in a cardboard box that includes the mouse and a simple instruction manual.
The finish of the product is robust and has non-slip feet for placement on a support surface.
PC operation
At first glance, what stands out the most from the beginning is its ease of installation, it is a device plug & play full-fledged, so once connected via USB to the computer it starts working instantly without the need to install any additional software or hardware components.
We have tested this feature with Windows 10 and earlier versions and we can guarantee that it works without any errors in all its functionalities during the tests.
The following image that is part of the user manual summarizes the basic functionalities for use with PC.

All keys are screen-printed with easy-to-understand pictograms to identify and remember functionalities, and there is a division of key colors by functionalities that is useful for people with some cognitive impairment.
Cursor speed selection
The mouse moves smoothly across the screen at the speed selected by the speed selection key.

By pressing this key repeatedly you can increase or decrease the speed, the blue light shows an estimate of the speed of the selected cursor by means of the flashing speed.
Acoustic warnings

The call key generates a periodic beep that can be very useful for dependent people who need assistance at specific times while using their device.
Initially the keys with specific functionalities (all those that are not for movement) generate a beep when pressed, this could be useful for people with vision difficulties, or in the case of people with sensitivity difficulties who want to be sure of the pulsations have occurred.
In our case we decided to deactivate the beep of these keys.
Deactivating the beep of the special functionalities keys is done by pressing the speed selection key for 5 seconds.

PRESS 5 SECONDS ...
Simple click functionality

The single click functionality is identical to that of any other mouse on its left button click, in this case adding the advantage of having a clearly identified low relief button.
Right click functionality

This functionality produces the same cursor output as right-clicking on a conventional button.
Pointer movement functionality

The pointer movement that is usually produced by physically moving the mouse from one side to the other, in Admouse is implemented by 4 keys with the basic directions that can be pressed continuously or discreetly to scroll the screen.
It is important to adjust the speed through the procedure detailed above to suit each user.
After a short period of use, the method of movement is comfortable and intuitive.
Double click functionality

The double-click functionality implemented by means of the green double-circle key is very useful for people who have difficulties to double-click in a very short period of time.
Long click or drag element functionality

The prolonged click functionality implemented by means of the green key with a double concentric circle, allows those people who have difficulty to perform more than one action simultaneously to manage elements on the screen, since in this way it frees them from the tedious action of having the button pressed. left mouse button for a long time and in turn move the cursor to the destination where you want to drag the element.
Android operation on Tablet and Smartphone
Operation with Android for Smartphone and Tablet is just as intuitive. Once connected via a micro USB OTG adapter (not included), an on-screen cursor is displayed.
By using the directional buttons in the form of arrows in AdMouse, we are able to easily move around the screen, being able to simulate the pressing of special keys on Android, such as going back, which in this case corresponds to the square key on a green background by AdMouse.
In the same way, the double circle key makes the screen switching functionality in Android.
The following image presents the summary of the functionalities of each key for the use of the Android application system on Smartphone and Tablet.

Conclusion
In summary, AdMouse is a robust, reliable and simple solution as an alternative to the conventional mouse for people who have handling difficulties.
The buttons correctly implement the usual scripts in human-machine interaction, replacing those implemented using a conventional mouse or touch.
The user can make use of the device with the manual provided without great complications.
As future improvements we recommend a version with Trackball, the inclusion of adapters for Smartphone and Tablet and a price adjustment as far as possible.