> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes. # getMicrophoneDevices > getMicrophoneDevices function in the WebRTC namespace. ### getMicrophoneDevices * `Const` **getMicrophoneDevices**(): `Promise` — See [MediaDeviceInfo](https://developer.mozilla.org/en-US/docs/Web/API/mediadeviceinfo) for more details. Returns an array of microphone devices that can be accessed on this device (for which we have permissions). #### Returns `Promise` #### Example ```javascript await SignalWire.WebRTC.getMicrophoneDevices(); // [ // { // "deviceId": "ADciLf...NYgF8=", // "kind": "audioinput", // "label": "Internal Microphone", // "groupId": "rgZgKM...NW1hU=" // } // ] ``` > getMicrophoneDevices function in the WebRTC namespace.