[Home](./index.md) > [puppeteer](./puppeteer.md) > [Page](./puppeteer.page.md) > [emulateMediaFeatures](./puppeteer.page.emulatemediafeatures.md) ## Page.emulateMediaFeatures() method Signature: ```typescript emulateMediaFeatures(features?: MediaFeature[]): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | features | MediaFeature\[\] | | Returns: Promise<void>