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 BluetoothGATTService.getCharacteristics() method returns a Promise to a list of BluetoothRemoteGATTCharacteristic instances for a given universally unique identifier (UUID).
getCharacteristics(characteristics)characteristicsThe UUID of a characteristic, for example '00002a37-0000-1000-8000-00805f9b34fb' for the Heart Rate Measurement characteristic.
A Promise to an Array of BluetoothRemoteGATTCharacteristic instances.