Description

KCX_BT003 is a multi-purpose Bluetooth audio decoder board that integrates Bluetooth audio, Bluetooth calling, and MP3 decoding. In Bluetooth mode, it supports matching various smartphone players in the market to play music and supports voice call numbers, answering calls/hanging calls/re-calling recent calls, Bluetooth background connection, and other functions. In music mode, it not only supports common MP3 format audio, but also supports decoding of high-quality audio formats such as WMA, WAV, and FLAC. Simply plug the decoder board into your design and upgrade your regular wired audio products to wireless Bluetooth audio products.
External button description:

VOL-key: Short press: volume -, long press: volume continuous ??
VOL+ button: Short press: volume +, long press: volume continuous +
PREV button: Short press: Previous song, long press: Rewind
NEXT button: short press: next song, long press: fast forward

P/P button: short press play pause/double click callback/long press mode switch (when U disk, TF card, USB AUDIO are not online, only press this button in Bluetooth mode without switching mode)

When you call: short press answer / long press reject
During a call: short press to hang up the current call
In Bluetooth mode: double click to call back the last call

Features:

Excellent durability and coexistence
Guarantee the stability of Bluetooth transmission through multiple technologies
Intuitive LED indication
Bluetooth 4.2 Version
Easy to use
Wireless transmission distance ?? 10 meters
Adopt the latest Bluetooth 4.2 protocol, backward compatible with other versions of Bluetooth protocol

Package Includes:
1 x Bluetooth V 4.2 MP3 WMA WAV FLAC Audio receiver Module