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While official datasheets from various generic manufacturers can be difficult to source in a single document, the verified electrical and operating parameters of the VHM-314 are detailed below. Specification Value Note / Condition Via Micro-USB port Power Supply (Pads) 3.7V to 5V DC Via BAT/VCC solder pads Lithium Battery Support Yes (3.7V Lipos) No built-in charging circuit Bluetooth Version Bluetooth 5.0 / 4.1 / 4.0 Core decoding IC varies by batch Supported Protocols A2DP, AVCTP, AVDTP, AVRCP, HFP Audio transmission profiles Signal-to-Noise Ratio (SNR) Low-noise floor output Total Harmonic Distortion (THD+N) Clear audio reproduction Crosstalk Excellent stereo separation Transmission Distance up to 15 meters Open air, unobstructed Audio Output 3.5mm Stereo / Solder Pads Line-level output 3. Pinout and Interface Description
Another long pause. The screen flickered.
While official datasheets from various generic manufacturers can be difficult to source in a single document, the verified electrical and operating parameters of the VHM-314 are detailed below. Specification Value Note / Condition Via Micro-USB port Power Supply (Pads) 3.7V to 5V DC Via BAT/VCC solder pads Lithium Battery Support Yes (3.7V Lipos) No built-in charging circuit Bluetooth Version Bluetooth 5.0 / 4.1 / 4.0 Core decoding IC varies by batch Supported Protocols A2DP, AVCTP, AVDTP, AVRCP, HFP Audio transmission profiles Signal-to-Noise Ratio (SNR) Low-noise floor output Total Harmonic Distortion (THD+N) Clear audio reproduction Crosstalk Excellent stereo separation Transmission Distance up to 15 meters Open air, unobstructed Audio Output 3.5mm Stereo / Solder Pads Line-level output 3. Pinout and Interface Description vhm 314 datasheet free