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Web Bluetooth API

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

The Web Bluetooth API provides the ability to connect and interact with Bluetooth Low Energy peripherals.


Returns a Promise to a BluetoothDevice object with the specified options.
Provides advertising data about a particular Bluetooth device.
Provides propertieds of a particular BluetoothRemoteGATTCharacteristic.
Represents a Bluetooth device inside a particular script execution environment.
Represents a GATT Characteristic, which is a basic data element that provides further information about a peripheral’s service.
Represents a GATT Descriptor, which provides further information about a characteristic’s value.
Represents a GATT Server on a remote device.
Represents a service provided by a GATT server, including a device, a list of referenced services, and a list of the characteristics of this service.


Specification Status Comment
Web Bluetooth Draft Initial definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support

45.0 [1]


? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support No support ? ? ? ? ? 48.0 [2]

[1] Behind a flag. Chrome OS only.

[2] Behind a flag. Requires Android 6 (Marshmallow).

Document Tags and Contributors

Last updated by: chrisdavidmills,