Description
User Manual: Click here to openFor different needs of customers, we offer 3 versions for you to choose from:
Function / ModelM18 (this item)M28 (Product ID: 1486747)M38 (Product ID: 1486746)Micro power supply×??Audio headphone jack×?×Built-in amplifier××?(5W+5W)Lithium battery powered???Support USB sound card, free drive××?Volume memory/adjustment?××MUTE mute interface?××Button extension?××Bluetooth versionbluetooch V4.2Support Bluetooth protocolHFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2Format supportSupport WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo two-channel outputOperating Voltage5V/3.7V-4.2VBroadcast status not connected5.5MAConnection working status20MADeep sleeping3UATransmission distance20 meters (empty or low interference environment)Operating temperature -40°C to +85°CSensitivity -87dbm
Introduction: 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.
PinFunctionDescription1KEYButton control terminal (4 button functions, additional resistors such as wiring diagram)2MUTEMute control terminal (output high level 3.3V when muting, output low level during playback)3VCCPositive power supply 5V (lithium battery 3.7V power supply requires short circuit diode)4GNDPower negative / audio signal ground5LLeft channel output6RRight 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:
3 x M18 Module
