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This is a compact size Bluetooth audio transmitter with a built-in rechargeable battery.

There can be several audio sources without Bluetooth transmission function and you may want to transmit audio without connecting any wire. This small module helps you transmit audio from your audio source, for example, your PC to a Bluetooth receiver/amplifier.

There is no need to install any drivers. Just plug in the 3.5mm stereo jack to your audio player on the 3.5mm audio connector. Press the main button about 3-5 seconds to turn it ON.

How to pair?

  1. Keep your Bluetooth transmitter and Bluetooth receiver device within 5m.
  2. Turn on your Bluetooth receiver device, keep it in pairing mode.
  3. Turn on your Bluetooth transmitter, press the main button about 3-5 seconds, when blue and red LED light start flashing alternately, the transmitter goes into pairing mode and searches receiver device automatically, eventually finishing pairing and connecting.
  4. After connecting successfully, the Bluetooth LED will flash twice in 4 seconds.
  5. Connect the audio cable to your music player. Now you can enjoy your music wirelessly.

Note: Please make sure your Bluetooth receiver device supports A2DP.

Note: This Bluetooth audio transmitter can work with our Bluetooth audio amplifier boards perfectly. 


  • Bluetooth 2.1+EDR
  • Bluetooth protocol: A2DP
  • Output power: Class II
  • working time: 5-7 hours
  • Charging time: 1.5 hours
  • Dimensions: 45x32x8mm
  • Weight: 14g
  • All the order are shipped within 2 business days. 
  • Products are either shipped from China or Australia. Item locations are mentioned on the product page.
  • Customers will receive tracking code if they have selected the 'shipping method with a tracking code'.
  • Returns are accepted if the customers return the items within 1 month to our address in Australia. If the item has been shipped from China, the customer still has to return the item to Australia. 
  • Return post fees have to be paid by customers. If the product is defective, we will pay the shipping fees.


Shipping fees for Australian addresses(Item Location: Australia):

  • Standard Post- using Australia Post: US $5.95 ~ AU $9.00 
  • Express Post: US $9.95 ~ AU $15.00


Shipping fees for international addresses (Item Location: Australia):

  • Economy Post (with NO tracking code): US $6.50 ~ AU $9.95
  • Standard Post with tracking code: US $17.50 ~ AU $26.50
  • Express Post with tracking code: US $36.50 ~ AU $55.00


Shipping fees for Australian and international addresses:(Item location: China):

  • Registered post with a tracking code: US $3.95 ~ AU $6.00 
  • Express Post with tracking code: US $25.00 ~ AU $38.00 


How long does it take to reach the USA, UK, Germany, Australia Canada and other EU countries?  

From China: If we ship from China, the delivery time can be from 7 working days to 15 working days. See the proof on the images below. US based orders are delivered more quickly than other countries.

Most of the USA, UK, Canada, Australia, and Germany  based orders are delivered within 7 days. However, because of customs related processes, it can sometimes take up to 15 days.  Check out all the shipment proof images on this page. 


From Australia: If you have chosen standard post, you will receive your parcel in 3-5 days (in Australia) and 5-7 days (outside Australia)

If you have chosen economy post, you will receive your parcel in 3-5 days (in Australia) and 15-25 days (outside Australia)


What is the proof that we really ship and they are delivered ?

 Check out all the shipment proof images on this page. 


Where do we ship from ? 

We ship our products from Australia and China depending upon what you purchase. BuildCircuit's original products are shipped from Australia. 

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