I connected my Moto X 2013 to the mouse via OTG, just found out an led light besides Earpiece. (video link below) But there is no settings of LED in the settings. Why is the light present then?
https://drive.google.com/file/d/0B7nEs_3onzxbVUwtTHpjcHV0bG8/view?usp=sharing
https://drive.google.com/file/d/0B7nEs_3onzxbVUwtTHpjcHV0bG8/view?usp=sharing