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:

1. VOL - button: Short press: volume -, long press: volume continuous –
2. VOL + button: Short press: volume +, long press: volume continuous +
3. PREV button: Short press: Previous song, long press: Rewind
4. 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:

1. Excellent durability and coexistence
2. Guarantee the stability of Bluetooth transmission through multiple technologies
3. Intuitive LED indication
4. Bluetooth 4.2 Version
5. Easy to use
6. Wireless transmission distance ≥ 10 meters
7. Adopt the latest Bluetooth 4.2 protocol, backward compatible with other versions of Bluetooth protocol

Package Includes:

1 x KCX_BT003 - Bluetooth 4.2 Audio Receiver Module, Decoder Board & Music Module Board