The dongle is automatically switched on as soon as you connect it to a PC/Mac.
eConnect the dongle to a PC/Mac (> Getting started).
If the dongle is already paired with a pair of Bluetooth headphones, the dongle will automatically try to connect to the last paired Bluetooth headphones.
If the dongle is not paired with a pair of Bluetooth headphones, the dongle will automatically be in pairing mode and will search for Bluetooth headphones to pair with.
eIf you want to switch off the dongle, disconnect it from the USB socket of the PC/Mac.
If the dongle is already paired with a pair of Bluetooth headphones and you want to pair the dongle with another pair of Bluetooth headphones, you have to trigger the pairing mode manually. This will overwrite the last saved pairing profile with the pairing profile of the new Bluetooth headphones.
eConnect the dongle to a PC/Mac (> Getting started).
ePress the pairing button of the dongle for at least 3 seconds.
The dongle switches to pairing mode.
While the dongle is in pairing mode, the status LEDs on the dongle housing will flash red and white.
As soon as the dongle is paired with a pair of Bluetooth headphones, the status LEDs on the dongle housing flash white 3x.
If the dongle has lost the connection to the paired Bluetooth headphones, you can try to re-establish the connection.
eBriefly press the dongle’s pairing button.
During the connection attempt, the status LEDs on the dongle housing repeatedly flash white 3x. The connection process can take up to 20 seconds.
Switching between SBC codec and aptX codec
If your headphones support one of the following high-resolution audio encoding methods, you can play music in high quality: aptX™ Adaptive (aptX™, aptX™ Low Latency).
During audio playback, you can switch between SCB codec and aptX codec using the dongle’s pairing button:
eBriefly press the dongle’s pairing button during audio playback.
If audio encoding via the SBC codec is active, the status LEDs on the dongle housing light up white dimly.
If audio encoding via the aptX codec is active, the status LEDs on the dongle housing light up pink.
During a call, for example via Microsoft Teams, you can mute or unmute yourself by pressing a button.
eIf you want to mute yourself, briefly press the dongle’s pairing button during the call.
While the mute function is active, the status LEDs on the dongle housing light up red.
eIf you want to deactivate the mute function, briefly press the pairing button again.
Disconnecting the Bluetooth headphones from the dongle
eIf you want to disconnect the Bluetooth headphones from the dongle, press the pairing button 2x quickly.
The status LEDs on the dongle housing go off.