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Tru Bio Earbuds

Box Contents

  1. Set of True Wireless Earbuds
  2. 3x Tru Bio Ear Tips
  3. 1x USB-C Cable
  4. 1x Charging case


Controls and Functions

  1. Mic
  2. LED
  3. MFB (Multi-function button)
  4. Pogo pins
  5. LED for power indicator
  6. Type-c charging port


Instructions Guide


Power on

Method 1: Take earbuds out from the charging case, they will auto power on.

Method 2: Hold MFB for 2 seconds Red and Blue LED flick alternately.

Power off

Method I: Put earbuds back into the charging case, they will power off.

Method 2: Hold MFB for 5 seconds. Red LED flickers 3 times and then powers off.

Reject call

Hold MFB for 2 seconds.

Answer call

Tap MFB to answer incoming call and tap again to end it.


When standby in stereo mode, tap MFB to play and tap again to pause.

Skip track forward/backward

When playing, double tap MFB on left/right earbud to skip track forward/backward.

Volume up/down

When playing/calling. Hold MFB for 2 seconds on left/right earbud to Volume up / Volume down.

Charge the earbuds

Insert the earphones into charging case (pogo-pins should be well-connected). Red LED will be on when charging, after being fully charged, Red LED will be off.

Charge the case

Please charge the case via USB-c cable.

When battery level is less than 25%, four white LEDs will flicker.

When battery level is more than 25% and less than 50%, one white LED is on and the other three LEDs flicker.

When battery level is more than 50% and less than 75%, two white LEDs are on and the other two LEDs flicker.

When battery level is more than 75% and less than 100%, three white LEDs are on and the last LED will flicker.

When fully charged, four white LEDs are all on.


Register your Majority product within 30 days of purchase to activate your extended 3 Year Warranty. Gain access to all the benefits and lifetime technical support (see our Extended Warranty details for more info).


Bluetooth Version Bluetooth 5.3
Effective Range 10 Meters
Input DC5V 450mA
Charging Time Approx 1H
Weight (Single Earbud) 4.5g

Safety Info


Please read all instructions carefully before use.


Risk of electric shock. Do not open.

  1. Read these instructions:
  2. Heed all warnings.
  3. Follow all instructions in the user manual.
  4. Do no clean the apparatus near or with water.
  5. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
  6. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  7. Protect the power from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
  8. Only use attachments/accessories specified by the manufacturer.
  9. Unplug this apparatus during light storms or when unused for long periods of time.
  10. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in a way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to the rain or moisture, does not operate normally or has been dropped.
  11. No naked flame sources, such as lit candles, should be placed on the apparatus.
  12. Dispose of used electrical products and batteries safely according to your local authority and regulations.

Addition Warnings

The apparatus shall not be exposed to dripping or splashing and no objects filled with liquid, such as vases, shall be places on the apparatus.

Main plug is used to disconnect device and it should remain readily operable during intended use. In order to disconnect the apparatus from the main power completely, the power plug should be disconnected from the main socket outlet completely.

Battery shall not be exposed to excessive heat such as sunshine, fire or the like.

Recycling Electrical Products

You should now recycle your waste electrical goods and in doing so help the environment. This symbol means an electrical product should not be disposed of with normal household waste. Please ensure it is taken to a suitable facility for disposal when finished with.

Download/print as a PDF

Want to save the above instructions as a PDF? Simply click the print icon below to save or print the user manual.

Contact Support

Having an issue with your product or can’t figure something out? Get in touch with our support team.