Mini Bluetooth 5.0 Pro With Case

The Bluetooth 5.0 Pro MP3 Decoder Board Audio Receiver is a versatile, high-performance module designed for wireless audio systems. It features Bluetooth 5.0 connectivity for stable, long-range transmission and lossless sound quality suitable for modern audio applications. The board includes a charging/discharging circuit, enabling simultaneous power supply and playback, while its LED indicators display operating modes like Bluetooth, charging, and low battery. With integrated hands-free calling, onboard microphone support, and a standard 3.5mm audio jack, this compact board is perfect for DIY audio systems, portable Bluetooth speakers, car kits, and amplifiers. Its easy pairing process and durable ABS enclosure make it a reliable and user-friendly solution for wireless audio enthusiasts. Featured By

Features:

• Bluetooth 5.0 Technology: Ensures stable, high-quality, lossless sound transmission.
• Dual Power Mode: Operates on USB or external battery power (3.7V–5V).
• Simultaneous Charging and Playback: Built-in power management circuit maintains performance while charging.
• Hands-Free Call Support: Built-in microphone or external headset mic for calling.
• Multi-Device Compatibility: Works with phones, speakers, amplifiers, and Bluetooth headphones.
• LED Status Indicators: Blue (Bluetooth mode), Red (charging), Yellow (low battery).
• Compact Design: Lightweight and durable ABS case (42.85 × 39.8 × 16.76 mm).
• High Signal Quality: 90dB SNR with minimal distortion (-70dB THD+N).
• Easy Pairing: Appears as “VHM-314” for quick Bluetooth connection.
• Long Transmission Range: Stable operation with over 15 meters of line-of-sight connectivity.

Applications:

• DIY Bluetooth Speakers: Create high-quality, wireless audio devices.
• Portable Audio Systems: Power compact, rechargeable music setups.
• Hands-Free Car Kits: Enable wireless calling and music playback in vehicles.
• Audio Amplifier Projects: Add Bluetooth streaming to existing amplifier designs.
• Wireless Audio Solutions: Ideal for retrofitting wired sound systems with Bluetooth.

How to Use

Power On:

• Supply power via the USB port or external battery.
• The blue LED will light up, indicating Bluetooth mode is active.

Pairing:

• Search for the device “VHM-314” on your phone.
• Connect to the decoder board.
• A voice prompt will confirm successful connection.

Music Playback:

• Play audio from your paired device.
• Output audio via the 3.5mm jack to headphones, speakers, or amplifiers.

Calling Function:

• Answer or hang up calls using the PLAY/STOP button.
• Use the onboard microphone or a connected headset mic for communication.

Package Includes:

• 1 x Mini Bluetooth 5.0 Pro With Case