KCX_BT002 is a multi-purpose Bluetooth audio module that integrates Bluetooth audio and Bluetooth calls.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.Simply implant this decoder board into your product, and you can upgrade ordinary wired audio products to wireless Bluetooth audio products.typical application:Home speaker to Bluetooth speakerSpeaker repair and upgradeCar player modification and upgradeRetrofit and upgrade of computer speakersFeatures and advantages:1. durability and coexistence2. the stability of Bluetooth transmission through a of technologies3. Intuitive LED indication4. Voice prompt, voice report for incoming call5. External buttons do not need voltage divider resistors, which is convenient and easy to use6. Wireless transmission distance 10 Product size: 32 x 16.2mmcolor:GreenMaterial:PCBPackage Contents:1 x Bluetooth audio receiver module1 x connector cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.