Features:

• Newly upgraded Type-C interface; 3.7V-5V power supply pad, realizing external 3.7V-5V lithium battery power supply;
  
• Easy to install, small size of decoder board,
• The utility model has the advantages of simple structure, convenient use and easy installation.
  
• With indicator light and standard 3.5mm audio interface, it is more convenient to use
  
• Applicable to various diy, car audio modification, home audio modification, personal DIY Bluetooth audio, electronic project production, etc

Parameters:

• Interface: Type-C
  
• Power supply voltage: DC 3.7-5V
  
• Signal to noise ratio: 90dB
  
• THD+H:-70dB
  
• Crosstalk: - 70dB
  
• Noise reduction: 91dB
  
• Support introduction: A2DP/AVCTP/AVDTP AVRCP/HFP
  
• Synchronization loss:>15m
  
• Audio interface: standard 3.5mm interface, output stereo sound effect, can be plugged into headphones, connect power amplifier and other devices
  
• LED indicator: blue light of Bluetooth mode is always on

Operating instructions:
Use Type-C cable for power supply, the blue indicator flashes, and enter Bluetooth mode; When you hear the voice broadcast, it indicates that you have entered the Bluetooth mode and are waiting for pairing; After the mobile phone Bluetooth searches for "HW-BT" (the decoded device name), click Connect. When the decoding board is successfully connected to the mobile phone, the blue indicator lights up for a long time to play music, and the blue indicator flashes.