Bluetooth 5.0 Audio Receiver Board Lossless Car Audio MP3 Decoder Board Wireless Stereo Music Module 3.7-5V

JTKE. Bluetooth 5.0 chip. 3.7-5V power supply. Support WAV+APE+FLAC+MP3 lossless decoding. Support Profile A2DP/AVCTP/AVDTP/AVRCP/HFP. 3.5mm stereo audio interface. Features: This product uses Bluetooth 5.0 main control chip, JL6925A, true stereo 5.0 chip. Good sound quality. Support automatic connection function, support WAV+APE+FLAC+MP3 lossless decoding, stereo output. Specifications: Power Supply: 3.7-5V. SNR: 90dB. THD+N: 70dB. Crosstalk: 86dB. DNR: 91dB. Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP. LOS: 15m. Size: 30mm*30mm. Interface detailed description: USB power supply: Universal Micro USB 5V power supply. 3.7-5V power supply pad: Realize external 3.7-5V lithium battery power supply modification. LED indicator: Blue light in bluetooth mode is on. 3.5mm stereo audio interface: Standard 3.5mm interface, output stereo sound source, can insert earphones, connect power amplifier and other equipment. Pairing instructions: Connect the power, the blue indicator light flashes, and ent