4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA KCX_BT002 is a multi-purpose Bluetooth audio module that integrates Bluetooth audio and Bluetooth calls.<br> Support matching smart phone players on the market to , and support voice reporting of incoming calls, answering calls/hanging up calls/redialing calls and other functions.<br> Simply implant this decoder board into your product, and you can upgrade ordinary wired audio to wireless Bluetooth audio .<br> typical application:<br> Home speaker to Bluetooth speaker<br> Speaker repair and upgrade<br> Car player modification and upgrade<br> Retrofit and upgrade of computer speakers<br> Features and advantages:<br> 1. durability and coexistence<br> 2. the stability of Bluetooth transmission through a of technologies<br> 3. Intuitive LED indication<br> 4. Voice prompt, voice report for incoming call<br> 5. External buttons do not need voltage divider resistors, which is convenient and easy to use<br> 6. Wireless transmission distance 10<br> Product size: 32 x 16.2mm<br> color:Green<br> Material:PCB<br> Package Contents:<br> 1 x Bluetooth audio receiver module<br> 1 x connector cable<br> Only the above package content, other are not included.<br> Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.