Bluetooth Audio Receiver Board VHM-314-V2.0 Bluetooth 5.0 MP3 Lossless Board Wireless Stereo Music Type-C Micro USB

Features:1. Newly upgraded Type-C interface;2. The new version VHM-314V2.0 has added functions such as ons, dialing and closing, charging, DIY Type-C interface, etc.3. Easy to install, the board is small in size, simple in structure, easy to use and easy to install.4. Two-color indicator light, more convenient to use5. Suitable for all kinds of DIY, car audio modification, home audio modification, personal diy Bluetooth audio, electronic project production, etc.s:MP3 bluetooth boardInterface: Type-CInput voltage: 5VBluetooth version: 5.1Working current: 20mAMaximum charging current: 300mAG: common ground interface (shared ground with power amplifier/headphone)Two-color indicator light: red, blueBluetooth indicator light: bluePower indicator light: redL: left outputR: right outputSupport lithium battery chargingKey Description:1. Short pre once for the next song; long pre for volume increase (there will be a beep prompt at the maximum volume)2. Short pre: pause/play;3. Short pre once for the previous song; long pre for volume down;DIP switch:Up dial: supply power to the battery port, when there is no battery, Type-C provides power indirectly;Down dial: Type-C power supply directly, when there is no Type-C power supply, turn off the power.Notice:1. The DIP switch is fragile, please carefully protect the switch when using it to avoid damage;2. Type-C indirect power supply may cause noise due to insufficient current power supply.DIY Low Power InterfaceH→L: Power on for 1 second, and output high level continuously. After 1 second, it will output low level continuously, and when Bluetooth is disconnected/music is paused, it will output high level continuously;L→H: Power on for 1 second, continuously output low level, after 1 second, continuously output high level, when Bluetooth is disconnected/music pause, continuously output low level