Aerb MX3 - Battery, Material, and Size; Weight and General Note

(5) Battery Type: AAA*2;
(6) Material: Plastic and silicone;
(7) Size: 172*52*19MM;
(8) Weight: 100g.
As it is a universal controller, you might not be able to find specific application for each key on
the controller. Some keys are assigned for certain operation system, but might not to the one you
are using.