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The product is intended for specialists and requires qualified and authorized personnel. The product does not include assembly/use instructions . Putting the product into operation by unqualified persons leads to the loss of the warranty according to the Terms and Conditions on the site.
The specified technical parameters (current, power, etc.) represent maximum allowable values under ideal operating conditions. For safe use and optimal lifespan, it is recommended to operate the product continuously at no more than 50% of the specified maximum values.
Audio module Bluetooth 5.0, BLE, VHM-314, Stereo, MP3
Bluetooth 5.0 audio module for stereo MP3 playback, ideal for DIY projects and integration into speakers or car systems. Offers AUX output on 3.5 mm jack with 2 channels L and R, stable connection up to 15 m and blue LED indicator for status. Works directly with 3.7 V lithium battery and includes charging circuit, flexible power supply to 5 V including via Type C plug.
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Bluetooth audio module, version 5.0, VHM-314, 2-channel output, equipped with 3.5mm jack for AUX output.
It has a blue status indicator and can be used directly with a 3.7V lithium battery, the module having a lithium charging circuit.
Power can be supplied from 5V, from the battery or via the Type C connector.
Specifications:
Bluetooth protocol: 5.0
Power supply: 3.7 - 5VDC or Type-C
Operating consumption: approximately 20mA
Lithium battery charging circuit: Yes
Maximum lithium charging current: 300mA
Model: VHM-314
SNR: 90dB
THD+N: -70dB
Crosstalk: -86dB
DNR: 91dB
Supported profiles: A2DP/AVCTP/AVDTP/AVRCP/HFP
Maximum Bluetooth connection distance: 15 meters
Audio format: MP3
Output: Stereo, 2 channels, L and R
Audio output: AUX 3.5mm
Dimensions mm: 30 x 30mm
Instructions:
After powering on, the blue indicator lights up and the module enters Bluetooth mode. From your phone or PC, connect to the VHM-314 and upon successful connection, the module will emit a tone through the speakers.

Produs destinat utilizarii in proiecte electronice, automatizari, prototipare, educatie si cercetare.
Produsul trebuie utilizat numai conform specificatiilor tehnice mentionate in descriere si/sau in documentatia produsului.
Avertismente generale de siguranta:
Nu utilizati produsul la tensiuni, curenti sau temperaturi peste valorile specificate.
Montajul si conectarea trebuie realizate de persoane cu cunostinte tehnice minime in domeniul electric/electronic.
Evitati scurtcircuitele, inversarea polaritatii si conectarea gresita a alimentarii.
Nu lasati produsul alimentat nesupravegheat in timpul testelor.
Produsul nu este jucarie si nu este destinat copiilor.
Pentru modulele electronice, se recomanda utilizarea in carcase, panouri sau montaje protejate, dupa caz.
Identificare produs:
Denumirea produsului, codul/SKU-ul si caracteristicile tehnice sunt mentionate in pagina produsului si/sau pe eticheta ambalajului.
Producator / Importator / Distribuitor:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Website: www.sigmanortec.ro
Persoana responsabila in UE:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Documentatie si siguranta:
Pentru informatii suplimentare, fise tehnice, declaratii de conformitate sau instructiuni, ne puteti contacta la [email protected].