
BT-400 Instructions guide
Keys and parts
The headphone contains several technological features to improve the experience of the user.
The following section is an overview of the parts:

Before using the headphone, you must fully charge the battery and connect the headset to
your respective Bluetooth device.
Charge of battery
The headphone contains a battery capable of up to 14 hours of usage. To charge the battery,
the headset has to be connected with the included USB cable. The cable has two different
sized ends.
First, take the Micro USB end and plug into the USB entry port in the right side of the headset.
The point of entry is covered by a protective layer which needs to be temporarily removed.
Gently pull the protection away so that the Micro USB can be entered.
The other end of the cable is fitted with a standard USB end which needs to be compatible
with the respective unit. Plug the end in the USB port of the computer, wall charger with USB
port or other compatible devices.
The indicating light on the right side of the headset will now flash a light. When the battery is
fully charged, the green indicating light will be on constantly. If the battery is charging the
LED-lamp will blink green.
Turn on headphone
When you want to turn on the headphone, locate the On/Off button on the right side of the
headphone. The button is located just above the volume controller. To turn on the
headphone, press the button and hold for 3 seconds and the indicating light will show a
constant blue flash followed by a red blink. The headphone is now turned on and ready for
Bluetooth pairing.
Pairing of wireless devices
To pair the headphone with your music player, ensure that the respective device is turned on
and the Bluetooth function is active.
When setting the headphone for pairing mode, press down the button and hold for 5 seconds.
The indicating light will show the below process.

1. First the light will show a constant blue
2. Then for a few seconds it will flash red
3. After red it will blink blue and the headphone is now in pairing mode
On your respective device you should search for the signal and use the device's functions to
connect. On the list of found devices you select "BT-400" to establish the connection.
Some devices require a passcode to connect with a newly established Bluetooth apparatus.
Enter passcode: 0000 if necessary.
When the connection is established, the headphone's light indicator will flash a blue light two
times every 5 second to verify the connection.
Pairing with NFC Bluetooth
The headset has the newest NFC (Near Field Communication) Bluetooth technology
incorporated and can be used if your respective music device is compatible. The NFC is a new
technology only available in a limited amount of products and is build-in the headset. If you
would like to pair with this new possibility please follow the steps:
1. Enable the NFC function on your music device.
2. Gently let the headset and your music device meet, by holding them close together. The
NFC is located on the center of the right earcup.
3. Your music device should now recognize the signal from the headset.
a. If the music device and the headset are pairing for the first time, you will need to
accept the pairing on the music device
4. When the signal has been accepted on your gadget, the headset will be paired and
ready for use.