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Koolertron Mini Wireless Bluetooth 4.0 Audio Music Streaming Receiver Adapter with 3.5 mm Stereo Output and Hands Free Calling for Car Headset and Speakers
Brand : Koolertron                Model :AW-LYJS01-BK
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Product Details


  • Designed automobile or motorcycle speakers, boats, RVS and more.
  • Compatible with all devices enabled with A2DP stereo Bluetooth.
  • Simple and Easy Wireless Set-Up
  • Play the Music of Your iPhone/iPod touch, cell phone wirelessly through your car speaker
  • Music or call switching, free and relaxed. Super clear and flow conversation effect.
  • Simple operation, normal speaker become hands-free Bluetooth speaker magically, portable for vehicle mounted systems.
  • Two-link: can connect two Bluetooth devices at the same time
  • Over length receiving distance, can reach up to 50 feet in open space without cables.


  • Bluetooth ver4.1 + EDR
  • Operation: Class2
  • Bluetooth Mode: A2DP/SBC/MP3/AAC
  • Bluetooth frequency range:2.402-2.480GHz
  • Effective range :Up to 15 meters (Unhindered case)
  • Current Consumption:Operational - Less than 20 mA (active)
  • Dimensions: ( L ) 50 * (W)25*( H ) 11 mm ; Weight:15 g
  • 170 mA Inner Li-battery,Play time Up to 10 hours

Methods used:

  • 1.Connect  the 3.5mm audio cable or audio metal adapter to audio output port of Bluetooth Music Receiver with audio input port of external audio device.
  • 2. In the status of power off , long press the multi-function button about 3 seconds to turn it on, and the blue LED lamp will flash quickly until enter pairing mode then release the button, the device starts into pairing mode.
  • 3.After it enters pairing mode, enable the Bluetooth function for the devices such as smart phone, iPhone, iPad, Bluetooth PC and any other digital products with Bluetooth function. Search Bluetooth devices name and connect it.input code "0000" if needed.
  • 4.After successful pairing,the blue indicator will flicker like breathing. Then you can play music from Bluetooth device wireless.
  • 5. You can change the music by press song button shortly, you can  adjust the volume by long press volume button.
  • 6. When the call comes, short press the multifunction button to answer the calling or long press the multifunction button about 2 seconds to reject it.
  • 7. Short press the multifunction button to play or pause music, long press the multifunction button to turn off the Bluetooth.
  • 8. When the device is out of the receiving range, it will disconnect, once the device back into the valid range, it will connect back to the last paired equipment automatically.
  • 9. Double click the multifunction button, the receiver will redial the last called number.

Package Includes:

  • 1 x Bluetooth Audio Receiver
  • 1 x USB charging cable
  • 1 x 3.5mm audio cable
  • 1 x 3.5mm audio metal adapter
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Koolertron Mini Wireless Bluetooth 4.0 Audio Music Streaming Receiver Adapter with 3.5 mm Stereo Output and Hands Free Calling for Car Headset and Speakers
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