A compact Bluetooth 5.0 audio receiver board that turns any wired speaker into a wireless one. Simply connect power (3.7–24V) and wire up your speaker — pair it with your phone and start streaming music wirelessly. The board features auto-reconnect, so it automatically pairs with the last connected device.

An integrated dial button provides convenient control: rotate left/right to adjust volume, and press to pause or play. The module supports WAV, APE, FLAC, and MP3 audio decoding with a transmission range of up to 15 metres.

Key Features

• Bluetooth 5.0 – Backward compatible with 4.2, 4.1, and 4.0
• Wide Power Supply – 3.7V to 24V DC input
• Volume Control Dial – Rotate to adjust volume, press to play/pause
• Auto-Reconnect – Automatically pairs with the last connected device
• Multi-Format Decoding – WAV, APE, FLAC, and MP3 support
• 15m Transmission Range – Line of sight
• Compact Size – 30 × 44mm (1.18" × 1.73")

How to Pair

1. Power on — blue LED flashes quickly and a beep sounds
2. On your phone, search for Bluetooth device "XY-WRBT"
3. Tap to connect — a confirmation beep sounds and the LED stays on
4. Play music — the LED blinks slowly during playback

Ideal For

• Converting wired speakers to wireless Bluetooth
• DIY portable speaker builds
• Audio projects and maker builds
• Retrofit upgrades for older audio equipment

Package Contents

• 1× Bluetooth 5.0 Audio Receiver Board with Volume Control