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GTRACING GT890MF Gaming Chair with Speakers Manual

GTRACING GT890MF Gaming Chair with Speakers Manual Image

GT890MF Gaming Chair with Speakers
Instruction ManualE-mail: [email protected]
Version 22.02.1

Dear Customer,
Thank you for choosing us.
We appreciate your trust in us and value our business.
Please feel free to email us directly if you have immediate feedback or concerns about your purchase. We’ll reply within 24 hours.
At GT RACING, we’re always working hard to provide higher quality products and services for our customers by listening to buyers’ comments and concerns.
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We would really appreciate the help if you have the time, but totally understand if not.
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If you have any further questions, please do not hesitate to contact our customer service for help.


  1. Bluetooth Transmitter
  2. Bluetooth Speakers
  3. Recharge Cable
  4. Speaker Extension Cable


  1. The audio cable should be inserted into the audio jack when the receiver is not turned on.
  2. The receiver cannot be used when it is charging.

Connecting to smartphones and other devices:

  1. Long press the power button for 2s to turn on the Bluetooth receiver. The LED indicator lights flash red and blue, and the voice prompt says: “Power On”.
  2. Activate the Bluetooth function on your phone and search for wireless devices. Pair your phone with “GT RACING”.
  3. After successful pairing, the voice will prompt: “Connected”.
  4. If there is no device connected to the Bluetooth receiver within 5 min, or the connection is broken, the voice prompts “Disconnected”.
  5. If there is no connection, the Bluetooth receiver will automatically turn off after 5 min.
  6. After connection, the blue light will light up. After a period of time, it will enter the energy-saving mode and only one blue light will be on for a long time. Click the power button once to check the remaining battery. (There are 4 blue lights in total, and 1 blue light represents 25% battery).
  7. Charge the Bluetooth receiver with Type-C charging cable for 90 min, and it will be fully charged. The
    The LED indicator light flashes blue when charging, and 4 blue lights are always on when fully charged.
  8. The function used: When connecting the computer/ mobile phone to listen to the music, press the power button to use the pause/ play function.
  9. In the starting state, press the power button for 2s to turn off the Bluetooth receiver, and the voice prompts: “Power Off”.
  10. Please make sure the audio output device has Bluetooth function when connecting to the Bluetooth receiver, If your device such as a computer does not have Bluetooth function, we recommend that you purchase a GT racing Lycnk series Bluetooth adapter (USB port) for connection and use, which can help realize Bluetooth wireless playing music and other sound effects.


Power Input USB5V Working Frequency 2.402 ~ 2.483ghz
Output Voltage 3.8V Working Time 7-8 Hours
Battery Capacity 1000mAh Wireless Streaming Range Distance 10~15m (No occlusion)
Charging Time 90 min Support Mobile System Android / iOS


Check Various Accessories Details of accessories
Please check and ensure the things are in the package. You can contact us for help if something is not included.

Instructions Before Using Chair of Installation
Please keep the original box in case you might need to return or replace the product.

  1. Place the chair base upside down. Insert the tip of part J1 into J2 Sand fix with M6*20 screws.
  2. insert the casters into the bottom of the base. install gas lift and insert gas lift cover.

    DO NOT tighten screws completely until all the screws are fxed in the correct position.
  3. install the mechanism. armrests and footrest connectors.
  4. Place the seat on the gas lift.
  5. Align f & m with the holes of the seat, then tighten the screws.
  6. Align f & m with the holes of the back, then tighten all the screws completely.
  7. Put the M*58 screw through the hole of R1 & L1 and tighten, then put the cap on.
  8. Install R2 & L2 with M5* 8 screw, then put the cap on.
  9. Install the footrest on the footrest connector.
  10. Attach the headrest & lumbar pillow.

Frequently Asked Questions:
Q: Why do I hear a creaking sound after using it for a period of time?
A: The mechanism may not fit the seat base. If you hear a creaking sound, please remove the mechanism and reassemble it again. Please ensure all the screws are securely tightened.

Instructions For Use Functions Display
Please read the function introduction carefully.

 Lift the handle to recline and release it to any desired position. Rest on the back when resetting back to its normal position, otherwise, the back may rebound rapidly. Lift up the button on the side of the arm to adjust the arm height, raise or lower to the desired position.

Pull upward on the lever to achieve height adjustment.

D. The speakers of the gaming chair can play audio through the Bluetooth function.

When hearing a click, the cables are properly connected in place

Note: Please ensure that all audio jacks in area A1 and area A2 are properly connected in place, otherwise one side of the Bluetooth speakers may not sound.
NOTE: Assembly is recommended to be carried out by two people. Preventing the screws from loosening requires tightening after using a period of time.

FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the  user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.