Functions and interfaces defination:
Interface details
- USB powered - Universal Micro USB 5V power supply
- 3.7-5V Supply Pad - External 3.7-5V lithium battery power conversion LED indicator - Bluetooth mode long blue light
- 3.5mm stereo audio interface - Standard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devices
Bluetooth-compatible Audio Receiver Board