Bluetooth Music Player

  • Packing List
  1. Duolink Music Player
  2. Duolink Carrying String
  3. Eartips(L, M, S)
  4. Charging Cable
  5. User Manual


  • Specifications
      Pairing Name:Duolink
      Bluetooth Version: V5.0
      Signal Range: 32 ft
      Water Resistance: IP54
      Frequency Response: 20-20,000Hz
      Compatible Audio:A2DP/HFP/AVRCP
      Input:5V 1A

  1. Multi-function Button
  2. LED indicators on speaker
  3. USB-Type-C charging port
  4. LED indicators on earbuds
  5. Touch slider


Power On

Split speaker in halves to power on.
Or long press the multi-function button for 3 seconds when speakers are combined.



Power Off

Combine halves of speakers to power off.
Or long press the multi-function button for 3 seconds with earbuds securely inserted into speaker. It will automatically turn off without Bluetooth connection.



Bluetooth Connectivity


Pairing Your Mobile Device

  1. Combine halves of speakers with earbuds securely inserted.
  2. On your mobile device, turn on the Bluetooth feature.
  3. Long press the multi-function button for 10 secs to pair.
  4. Select your Duolink speaker from the device list.


Reconnecting a Device

When powered on, your Duolink tries to reconnect with the two most recently connected devices.
*Note: The devices must be within range and powered on.


Changing a Device

Insert earbuds into speakers and combine two speakers. Long press multi-function button for 10 seconds.


Earbuds Functions


What to do


Tap once

Adjust Volume

Touch and slide up or down

Skip forward/backward

Tap twice/three times quickly.

Pick up/hang up calls

Tap once/twice quickly

Activate voice assistant

Long tap for 3 secs


Speaker Functions

Press either side of multi-function button.


Switches between speakers and earbuds

  • How to switch from earbuds to speakers?
Please insert earbuds into speakers, tap the multi-function button on the speaker to continue your music. You can also split the speaker into two halves as duo mode for stereo.

  • How to switch from speakers to earbuds?

Simply take out the earbuds and put them on, they will automatically continue playing your music.


Light Indications



Flash LED lights on earbuds

Earbuds are charging

Stable LED lights on earbuds

Earbuds are fully charged




Flashy LED lights on speakers

Speakers are charging

Stable LED lights on speakers

Speakers are fully charged


Clean the speaker
Your speaker may require periodic cleaning.

  • Clean the surface of the speaker with a soft, damp cloth (water only).
  • Do not use any solvents, chemicals or cleaning solutions containing alcohol, ammonia or abrasives.


Product Support & Technical Questions
Visit our website:

Please read and keep all safety and use instructions.
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Only use attachments/accessories specified by the manufacturer.
6. Unplug this apparatus during lightning storms or when unused for long periods of time.
7. Refer all servicing to qualified personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, does not operate normally, or has been dropped.


This product contains magnetic material. Consult your physician on whether this might affect your implantable medical device.

  • Keep the product away from fire and heat sources. Do NOT place naked flame sources, such as lighted candles, on or near the product.
  •  Do NOT make unauthorized alterations to this product.
  • Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, CCC).
  • Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).

(Waste Electrical& Electronic Equipment)

  • This Marking shown on the product or its literature indicate that it should not be disposed with other household wastes at the end of its working life.
  • To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources.
  • Household user should contact either the retailer where they purchased this product, or their local government office, for details of where and how they can take this item for environmentally safe recycling.
  • Business users should contact their supplier and check the terms and conditions of the purchase contact. This product should not be mixed with other commercial wastes for disposal

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
(2) This device must accept any interference received, including interference that may cause undesired operation

FCC Radiation Exposure Statement: 
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.