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M18 bluetooth 4.2 Audio Receiver Module Lossless Car Speaker Headphone Amplifier Board Wireless Refit


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                  This product MH-M18 is a low-power Bluetooth design solution, supporting the latest Bluetooth 4.2 transmission, two-channel stereo lossless playback, Bluetooth connection after the module is connected to Bluetooth, very convenient. In an open environment, the Bluetooth connection distance can be up to 20 meters.
                  Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification.

                  Pin Function Description
                  1 KEY Button control terminal (4 button functions, additional resistors such as wiring diagram)
                  2 MUTE Mute control terminal (output high level 3.3V when muting, output low level during playback)
                  3 VCC Positive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)
                  4 GND Power negative / audio signal ground
                  5 L Left channel output
                  6 R Right channel output

                  Function Description:
                  Bluetooth V4.2 version, supports Bluetooth automatic connection technology, supports WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
                  After the module is powered on, the mobile phone searches for the Bluetooth name MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
                  Package includes:

                  1 x Module

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