The module has several iterations with slight hardware differences: Bluetooth audio - Raspberry Pi Official Magazine
The VHM-314 is a compact, low-cost Bluetooth 5.0 audio decoder board designed for DIY audio projects, wireless speaker upgrades, and portable audio applications. It supports high-fidelity lossless decoding and offers flexible power options, including micro-USB or lithium battery input. 2. Technical Specifications Specification Details Bluetooth Version 5.0 (Backward compatible with 4.0, 4.1, 4.2) Operating Voltage DC 3.7V to 5V Audio Decoding Formats MP3, WAV, FLAC, APE, WMA Signal-to-Noise Ratio (SNR) -70 dB (Total Harmonic Distortion + Noise) Dynamic Range (DNR) Transmission Distance Up to 15 meters in open space Dimensions Approx. 30mm x 30mm x 10mm; Weight: 10g 3. Key Features & Interface vhm 314 datasheet free
Her mentor, Old Man Kael, used to say, “The rarest component isn’t a chip, kid. It’s the will to find its truth.” He’d died a year ago, leaving her his workshop, a mountain of salvage, and the broken Polaris-9. The module has several iterations with slight hardware