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USB: getDevices() method

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The getDevices method of the USB interface returns a Promise that resolves with an array of USBDevice objects for paired attached devices. For information on pairing devices, see USB.requestDevice().

Syntax

js

getDevices()

Parameters

None.

Return value

A Promise that resolves with an array of USBDevice objects.

Examples

The following example logs the product name and serial number of paired devices to the console. For information on pairing devices, see USB.requestDevice().

js

navigator.usb.getDevices().then((devices) => {
  console.log(`Total devices: ${devices.length}`);
  devices.forEach((device) => {
    console.log(
      `Product name: ${device.productName}, serial number ${device.serialNumber}`,
    );
  });
});

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
getDevices 61 79 No No 48 No No 61 No 45 No 8.0

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https://developer.mozilla.org/en-US/docs/Web/API/USB/getDevices