Description

VHM-314 V3.0 Bluetooth Audio Receiver Board can be used in DIY kit. Using Bluetooth technology, the data can be transmitted to mobile phone and other devices, and the audio source is stable. The receiver is a Bluetooth module that connects to your radio and wired headset or speaker. CityTechBD

The board is designed to be used for various electronic devices like mobile phones and tablets. The main board has lossless sound quality, no noise, no radiation, and no delay. Support the wireless audio function of the mobile phone, you can also use it as a single button control. Meanwhile, the main board is made of abs material, which can provide stable performance. The wireless receiving module is suitable for various kinds of Bluetooth devices such as smart phones and tablets. CityTechBD

The Bluetooth receiver is a wireless communication device that connects to the computer with the help of simple button operation and can provide you with the latest wireless experience. As a wireless communication tool, it is suitable for the use of various electronic parts that are used in the fields. Support Bluetooth audio interface, can be used to connect mobile phones, computers and other devices with wireless receiving and transmitting function of music.

Features:

Made of high quality 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 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 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 indicator: blue; power indicator: red.
Bluetooth 5.0, Bluetooth audio source, Infrared remote control, DIP switch.

General Specification
Item Type:	MP3 Bluetooth decoder board
Material:	electronic components
Size:	decoding board: 32x30mm/1.2x1.1in, remote control: 85x39mm/3.3x1.5in
Color:	As shown
Bluetooth name:	VHM-314 V3.0
Bluetooth version:	Bluetooth 5.0
Decoding format:	WAV+APE+FLAC+MP3
Supply voltage:	5V USB/3.7V lithium battery
Output port:	3-wire audio interface/DIY pad
Output type:	Analog signal
Operation method:	Button/IR remote control
Shipment Weight	0.045 kg
Shipment Dimensions	10 × 10 × 6 cm

Bluetooth connection interface:

After opening the Bluetooth 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 "deng deng" sound.

Instruction and Warm Tips:

Please use a maximum of 5V power supply for the BAT interface, which can be directly powered by a 3.7V lithium battery.
The maximum charging voltage of the MICRO interface must not exceed 6V.
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.
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.
VHM-314 does not have a charging version, you cannot directly charge a lithium battery without a lithium battery protection chip