VHM-314 Bluetooth Audio Receiver Board body { font-family: Arial, sans-serif; line-height: 1.6; } h1, h2, h3 { color: #333; } ul { list-style-type: disc; margin-left: 20px; } VHM-314 Bluetooth Audio Receiver Board Model Details: VHM-314 V3.0 ID: 1689713 VHM-314 V2.0 ID: 1641052 Specifications: Power Supply: 3.7-5V SNR: 90dB THD+N: -70dB Crosstalk: -86dB DNR: 91dB Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP LOS: >15m Features: USB Powered: Universal Micro USB 5V power supply Supply Pad: External 3.7-5V lithium battery power conversion LED Indicator: Bluetooth mode with continuous blue light Audio Interface: Standard 3.5mm interface for stereo sound, connects headphones or amplifiers Instructions: After powering on, the blue indicator lights up, entering Bluetooth mode. The device will announce "The Bluetooth device is ready to pair," indicating it's ready for connection. Search for "XY_BT" on your mobile device to find the decoder board, select it to connect. The decoder board will confirm, "The Bluetooth device is connected successfully," and you can begin playing music. Package Includes: 1 x VHM-314 Bluetooth Audio Receiver Board Bluetooth 5.0 MP3 Lossless Decoder Board