How can you pair the Aukey headphones with a mobile device via Bluetooth? What do the LED colors mean? How to use the buttons?
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Manufacturer: AUKEY
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CAUTION: Electrical Device. Read the safety instructions!
Step 1
Ensure that the Aukey EP-B40 headphone is turned off and that the battery is fully charged. Do not separate the two devices for more than 3 feet while pairing.
Step 2
Press and hold the multi function button (middle) on the headset control unit for approx 6 seconds. The LEDs will flash red and blue. The headphones are now ready for pairing and can be connected with other Bluetooth enabled devices. – You might need to hold the multi function button more than 6 seconds, at least until the LEDs flash red and blue.
Step 3
Turn on the Bluetooth mode on your mobile device. It will automatically search for other Bluetooth enabled devices nearby. Choose the “AUKEY EP-B40” device from the list. Once the pairing has been successful, the headphone’s LED will flash blue every 8 seconds. In case your mobile device requests a password, please try the combination “0000” or “8888“. – Both devices will reconnect automatically next time.
Step 4
In case the Aukey EP-B40 headphone and the mobile devices were paired previously, it’s no more required to start pairing again since both devices will repair automatically next time.
Step 5 (optional)
If you want to connect the Aukey headphones with a second mobile device, simply turn off the Bluetooth function on the first device (for instance “disconnect”) and turn the headphones off. Then follow again the above steps 1 to 3 for the second mobile device. Turn on the first mobile device. Both mobile devices are now connected to the Aukey headphones but only one of them can play music or make phone calls.
Additional Information
In order to perform a “factory reset“, simply press the volume up (+), down (-) and multi function buttons simultaneously for a couple of seconds until the red LED rapidly flashes for two seconds. The headphone is now reset and can be paired with a new device. Do not forget to remove the Aukey EP-B40 headphone from your Bluetooth device list on your mobile device.
The following functions can be controlled via the three different buttons.
| Function | Button How To / Control |
| Power On | Press and hold the multi function button for approx 3 seconds |
| Power Off | Press and hold the multi function button for approx 3 seconds |
| Play / Pause | Press the multi function button once |
| Volume Up / Down | Press the volume up (+) / down (-) button |
| Title Next / Previous | Press and hold the volume up (+) / down (-) button for approx 2 seconds |
| Pick Up Call | Press the multi function button once |
| End Call | Press the multi function button once |
| Reject Call | Press and hold the multi function button for approx 3 seconds |
| Mute / Unmute Microphone | Press and hold the volume down (-) button for approx 3 seconds |
| Switch Call between Headphones and Mobile Device | Press and hold the multi function button for approx 3 seconds while conducting the call |
| Switch Call between two Mobile Devices | Press and hold the multi function button for approx 2 seconds while conducting the call |
The blue and red LEDs on the headphone control unit have different meanings.
| LED Status | Headphone Status |
| LED off | The headphone is turned off. |
| LED flashes red 2 times every 8 seconds |
The battery is almost empty and must be charged. |
| LED solid red |
The battery is getting charged. A full battery charging cycle is about 1.5 hours. |
| LED solid blue |
The battery is fully charged. Total battery run-time is approx 8 hours. |
| LED flashes red and blue |
The headphone is set to the Bluetooth pairing mode. |
| LED flashes blue 2 times every 5 seconds |
The headphone is in stand-by mode. |
| LED flashes blue 2 times every 8 seconds |
The headphone is in music playback mode. |
| LED flashes blue 1 time every 8 seconds |
The pairing dropped OR active call. |
| LED flashes blue every second |
Incoming call. |
