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 ByFeatures: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 UsePower 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
