VHM-314 Bluetooth Audio Receiver Module
Speakers, headphones, etc. It is a product with which you can control your audio output products via Bluetooth. It is very easy to use. You can operate the product by supplying 3.7v - 5v voltage from the micro USB chassis on the product or from the + - pins. You can connect speakers, headphones or similar products to the jack output. Then, you can connect to the Bluetooth called XY-BT without a password on the device you want to manage and play music from the product. The size of the product is 30x30mm.
It is used only for music output. It does not produce sound during phone calls.