Check the listing for details. KCX BT002 Audio Speaker Receiver Module Wireless Stereo Circuit Board bluet. Condition: New. Listed at 10.12 USD. KCX BT002 Audio Speaker Receiver Module Wireless Stereo Circuit Board. 1. Description: KCX_BT002 is a audio module that integrates Bluetooth, audio and Bluetooth phone calls. It supports the market, all kinds of intelligent mobile phone player to play music, voice calls, telephone / hang up call / redial last call function.You just need to put this codec into your product, and you can upgrade your regular wired audio products to wireless Bluetooth audio products. 2. Typical applications:1>. Home speakers change Bluetooth speakers2>. Sound box maintenance and upgrade3>. Car player upgrade4>. Computer speaker upgrade 3. Electrical characteristics: CharacteristicsMinimum valueReference valueMaximum valueCompanyPower Supply3.355.5VIP30 mAFOP2400 2485MHzPRF 2dBmSensitivity -85 dBmDynamic 91 dBTHD+N -70 dBCrosstalk -86 dBSignal to Noise ratio 90 dBR_audio 32 ohmDAC output power 150 mW 4. Features and advantages: 1>. Exceptional durability and coexistence.2>. Through a variety of technologies to ensure the stability of Bluetooth transmission.3>. Intuitive LED instructions.4>. Voice prompt.5>. Convenient and easy to use.6>. The wireless transmission distance is not less than 10 meters. 5. Instructions for connection and pairing operations: After power to hear a voice prompt "Bluetooth mode", which means the module into the Bluetooth mode, and opening mobile phone Bluetooth switch. Then searching for nearby Bluetooth devices after a few seconds, you will see the equipment named "Bluetooth Audio" Bluetooth device, click on the link in the mobile phone side can connect Bluetooth mobile phone.After the connection, the decode board broadcasts the voice prompt for "successful connection".At this point, open the phone player to play music, the phone's music can be transmitted via Bluetooth wireless to the decoder board. 6. Connection operation step: 1>. Module power on2>. Enter the phone system settings3>. Turn on the Bluetooth switch4>. Search for Bluetooth devices5>. Connect Bluetooth6>.After the mobile terminal is connected with the Bluetooth module, the mobile phone player is opened to play music, and the Bluetooth module can output the music of the mobile phone. 7. About incoming callsWhen a mobile phone with a Bluetooth module has an incoming call, the module sends out a voice to broadcast the caller's call number. You can answer the call of the Bluetooth module short press P/P key, after the call, call audio signal from the Bluetooth module external electret microphone (to use the Bluetooth module calls the Bluetooth module to connect the electret microphone, otherwise they can not hear the sound). In addition, you can switch to any phone or Bluetooth module during the call process. 8. Selection and connection of peripheral devices:1>. power mode selection and connectionThe power input port +12V module, negative positive and negative GND are respectively connected with the power supply, voltage regulator chip 78M05 between 1 and 3 foot short circuit for 5V power supply mode, disconnect the power supply for the 12V mode (before electricity please check the power supply voltage and power at appropriate intervals), factory default for 12V mode.2>. the connection of audio signalsThe AUDIO OUT:3.5mm audio interface is used to output stereo audio signals, to connect external power amplifiers, or to directly connect headphones. 9. Status indicator light:1>. The decoder board is equipped with status indicator (blue LED), which is used to display the various working conditions of the module.2>. Pairing: LED flashes fast (bright, out of 250ms)3>. MP3 play: LED slow flash (bright 500ms, destroy 500ms)4>. Pause status: LED often light5>. Bluetooth playback: LED flashes two times every 2S Specification:Model: KCX_BT002Power Supply: 3.3-5.0VWorking Current: 35mAChannel: Stereobluetooth Version: 4.2Working Frequency: 2400-2485MHzReceiving Sensitivity: -85dBmSize: approx. 3.1 x 1.4cm/1.22" x 0.55" Package includes: 1 x bluetooth Audio Receiver Module with Connecting Cables PLEASE NOTE: DELAYS ARE POSSIBLE DUE TO MUCH PRESSURE CREATED BY THE PANDEMIC AND THEREFORE WE REQUEST THAT YOU REMAIN PATIENT AND ALLOW EXTRA TIME AND ONLY ORDER IF YOU ARE PREPARED TO ADHERE TO THIS REQUEST. WE POST OUT ITEMS ON TIME AND ON THE SAME DAY IF ORDERS RECEIVED BEFORE 4PM, MONDAY TO FRIDAY, EXCLUDING ANY HOLIDAYS ETC.. BUT PLEASE UNDERSTAND THAT WE HAVE NO CONTROL OVER ANY DELAYS. IF IN ANY CASE THINGS GO WRONG, WE WILL NOT ABANDON YOU BUT WILL BE THERE TO HELP YOU ALL THE WAY :)) PLEASE ALSO BE KIND NOT TO OPEN A CASE ON EBAY BUT GIVE US A CHANCE TO RESOLVE IT FIRST BY EMAILING US THROUGH NORMAL MESSAGING SYSTEM, AS CASES CAN LEAD TO DAMAGED ACCOUNTS ETC... THANK YOU AND WE SINCERELY APPRECIATE YOUR UNDERSTANDING. Buyers outside of the UK are responsible for Customs fees, import duty, etc, that may be applied (if any).