Description: and Feature:Made of material, solid, durable and good performance, long service life.The new version of VHM-314-V3.0 adds infrared remote control, buttons, DIP switch, charging, and other functions, and the sound quality has also been improved. DIY interface-PC: Connect the USB-PC on the back of the board, connect to the computer through MICRO to use as a sound card, and the infrared remote control can switch to Bluetooth-compatible mode at any time.Infrared remote control: Power on / off / mode switch / mute / pause / prev / next / EQ switch / volume (mode can be switched only as a sound card, volume can synchronize computer volume).DIY interface-M: H-L, power on high-level output, output low level after 1s; L-H, power on low level output, output high-level after 1s(can be connected to mute pin according to power amplifier, can realize Bluetooth-compatible mute function without music output, eliminate power on Po sound, low power consumption, etc.)Toggle Switches: When only powered by battery: used as a switch. When powered by USB, the module cannot be switched. (Only when the USB power supply is not connected to the battery, please switch to the Micro end power supply, otherwise the sound quality may be affected).Designed with the LED indicator light, Bluetooth-compatible indicator: blue; power indicator: red.Bluetooth-compatible 5.0, Bluetooth-compatible audio source, Infrared remote control, DIP switch. Specifications:Item Type: MP3 Bluetooth-compatible decoder boardMaterial: electronic componentsSize: decoding board: 32x30mm/1.2x1.1in, remote control: 85x39mm/3.3x1.5inColor: As shownBluetooth-compatible name: VHM-314 V3.0Bluetooth-compatible version: Bluetooth-compatible 5.0Decoding format: WAVandAPEandFLACandMP3Supply voltage: 5V USB/3.7V lithium batteryOutput port: 3-wire audio interface/DIY padOutput type: Analog signalOperation method: Button/IR remote controlQuantity: 1 SetBluetooth-compatible connection interface:After opening the Bluetooth-compatible interface of the mobile phone, after displaying VHM-314 V3.0, click the name to connect and use. After the connection is successful, a"ding dong"prompt will sound, and when you disconnect, there will be a"dengdeng sound.Instruction and Warm Tips:1.Please use a maximum of 5V power supply for the BAT interface, which can be directly powered by a 3.7V lithium battery;2.The maximum charging voltage of the MICRO interface must not exceed 6V;3.The toggle switch can only control the battery switch, and the power supply can only be switched after the USB is inserted, whether it is battery power or MICRO power supply;4.When there is only MICRO power supply, toggle the switch to the MICRO terminal to avoid the sound quality damage due to insufficient power supply current;5.VHM-314 does not have a charging version, you cannot directly charge a lithium battery without a lithium battery protection chip. Note:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes:1 x MP3 Bluetooth-compatible decoder board1 x Remote Control Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.