Service and support

• Check the cable on another source and receiver
• Change the HDMI socket on the receiver.

• The transmitter transmits only from the AUX socket

• set the same frequency on the radio and transmitter (the waves must be different from those received from external radio stations)
• check the condition of the car antenna
• check the state of the electrical installation (charging circuit), the transmitter is sensitive to power supply interference
• contacts of electrical equipment are worn out (e.g. crackles when starting the windscreen wipers, pressing the brake or clutch pedal)
• corrupted file on the data carrier
• check BT connection to the telephone
• transmitter inserted in cigarette lighter socket splitter

• Check whether the cigarette lighter socket is working (usually the fuse needs to be replaced)

1) Remove the headphones from the power bank. You will hear the message “Power on” indicating that the headphones are on.

2) Make sure that your headphones are not connected to another device via Bluetooth (e.g. a smartphone).

3) Switch off the headphones by pressing the touch button located on each headphone for approximately 6 sec. You will hear the message “Power off”.

4) Press the touch button located on each headphone for 8 sec.

5) When the headphones have paired correctly, you will hear “Connected”.

• The headphones will not charge. You need to charge your powerbank beforehand in order for charging headphones properly.

• Yes, in case of uneven charging of the headphones. Wait until both handsets are fully charged.

• The headphones are not paired with each other (please refer to the user manual for information on pairing the headphones with each other)

• the batteries in the headset may be flat, charge the headset
• the BT antenna on the handset/headset is covered
• the BT antenna on your phone is covered (e.g. in your pocket)
• other BT devices are nearby and causing interference
• the phone is too far away from the headset
• the phone is placed in a case made of metal or other material that interferes with or blocks the signal transmission
• network problems, music being streamed over the internet
• phone loaded with applications running in the background
• incorrect music codecs

• Bluetooth version 4.* has a delay in its audio transmission design

• the headphones are not paired (please refer to the User Manual for information on pairing the headphones with each other)
• check if there are no other enabled TWS handsets nearby

• Switch off Bluetooth on the transmitting devices.
• Press and hold the multifunction buttons located on both headphones for approximately 2 seconds to switch them on.
• Press the multifunction button on one of the headphones twice to disconnect them from each other. At this point, the LEDs on the headphones light up alternately in blue and red.
• Press the multifunction buttons on the left handset twice to indicate it as the primary handset. The handsets should pair with each other automatically. The notification light on the left handset will begin to illuminate alternately in blue and red, while the backlight on the right handset will turn off.
• The headphones are correctly paired and ready for use.

• Check the cable on another source and receiver
• Change the HDMI socket on the receiver.

• A minimum of 2 sources must be connected (switched on) for the SWITCH to function correctly
• Devices connected to the SWITCH must be switched on for the SWITCH to work correctly
• The CL-28 has the possibility of external power supply from a USB port or a power supply unit (5V, 1A plug size: 3.94×1.2 mm)
• the SWITCH is protected against copying of the image (HDCP), the signal from a decoder or similar devices may not be transmitted

• Switch off Bluetooth on the transmitting devices.
• Press and hold the multifunction buttons located on both headphones for approximately 2 seconds to switch them on.
• Press the multifunction button on one of the headphones twice to disconnect them from each other. At this point, the LEDs on the headphones light up alternately in blue and red.
• Press the multifunction buttons on the left handset twice to indicate it as the primary handset. The handsets should pair with each other automatically. The notification light on the left handset will begin to illuminate alternately in blue and red, while the backlight on the right handset will turn off.
• The headphones are correctly paired and ready for use.

• check the charge level of the batteries in the remote control, they may be flat – replace them with new ones
• perform a “hard reset” of the device according to the instructions in the link
• upload new software to the device according to the instructions in the link

• Check the batteries, they may be discharged. Replace the batteries with new ones.

• We make every effort to test as many appliances as possible. Unfortunately, it is not possible for us to test all devices available on the market for compatibility with the remote control. If the remote control looks like the original one, it should work flawlessly.

• Check keyboard on another device, touchpad may be dirty.

• Charge the battery

• Check the cable on another source and receiver
• Change the HDMI socket on the receiver.

• The transmitter transmits only from the AUX socket

• set the same frequency on the radio and transmitter (the waves must be different from those received from external radio stations)
• check the condition of the car antenna
• check the state of the electrical installation (charging circuit), the transmitter is sensitive to power supply interference
• contacts of electrical equipment are worn out (e.g. crackles when starting the windscreen wipers, pressing the brake or clutch pedal)
• corrupted file on the data carrier
• check BT connection to the telephone
• transmitter inserted in cigarette lighter socket splitter

• Check whether the cigarette lighter socket is working (usually the fuse needs to be replaced)

• whether the phone has a standard compatible with the adapter in question, such as: MHL, OTG, USB C
• that the cable is compatible with the phone’s charging standard

• Before charging, make sure the socket (230V) is in working order
• Try a different charging cable
• Check the condition of the socket on the phone, that it is not dirty/clogged with something, check that it is in working order

Reverse the charger in the socket or change to a different socket

• Make sure the socket is in working order before charging
• Try a different charging cable
• Check the condition of the socket on the phone for dirt/clogging, make sure it is in working order

• Check keyboard on another device, touchpad may be dirty.

• Charge the battery

• whether the phone has a standard compatible with the adapter in question, such as: MHL, OTG, USB C
• that the cable is compatible with the phone’s charging standard

1) Remove the headphones from the power bank. You will hear the message “Power on” indicating that the headphones are on.

2) Make sure that your headphones are not connected to another device via Bluetooth (e.g. a smartphone).

3) Switch off the headphones by pressing the touch button located on each headphone for approximately 6 sec. You will hear the message “Power off”.

4) Press the touch button located on each headphone for 8 sec.

5) When the headphones have paired correctly, you will hear “Connected”.

• The headphones will not charge. You need to charge your powerbank beforehand in order for charging headphones properly.

• Yes, in case of uneven charging of the headphones. Wait until both handsets are fully charged.

• The headphones are not paired with each other (please refer to the user manual for information on pairing the headphones with each other)

• the batteries in the headset may be flat, charge the headset
• the BT antenna on the handset/headset is covered
• the BT antenna on your phone is covered (e.g. in your pocket)
• other BT devices are nearby and causing interference
• the phone is too far away from the headset
• the phone is placed in a case made of metal or other material that interferes with or blocks the signal transmission
• network problems, music being streamed over the internet
• phone loaded with applications running in the background
• incorrect music codecs

• Bluetooth version 4.* has a delay in its audio transmission design

• the headphones are not paired (please refer to the User Manual for information on pairing the headphones with each other)
• check if there are no other enabled TWS handsets nearby

• Adapters not compatible with Windows 10

Network problem?

• Check the adapter on another computer and another Ethernet cable

• Adapter does not work with Windows 10

Always before connecting

• make sure the drive is operational
• check that the LED on the power supply is on

• Check the cable on another source and receiver
• Change the HDMI socket on the receiver.