Functions at a glance View battery levels of your earbuds and charging case. Customize earbud controls, for example, choose an action to take for a double-tap or triple-tap. Update your earbuds using the app. For certain earbuds, you can use more features, such as "Personalized noise cancellation" and "Personalized sound boost". View battery levels of your earbuds and charging case Customize earbud controls to your liking Currently, OPPO Enco X2, OPPO Enco Free2, OPPO Enco Free2i, OPPO Enco Air2 Pro, OPPO Enco Air, OPPO Enco R Pro, OPPO Enco Play, OnePlus Buds Pro and OnePlus Buds Z2 are supported.