Description:This product is suitable for connecting the power amplifier board, enabling the wireless connection for Bluetooth of the audio input of the power amplifier board.It has strong signal reception for Bluetooth (15m unobstructed connection), lossless sound quality, and simple practical.The power input adopts the interface for Android Micro USB, the voltage is 5V, and the audio output is 3.5mm audio head, which is convenient to use!Features:Compatible with Bluetooth 4.1 function.Support automatic connection function.Support WAV+APE+FLAC+MP3 lossless decoding, stereo output.For DIY car audio amplifier modified wireless speaker.Excellent quality and durability.Specifications:Model: Lossless Receiving Module for Bluetooth 4.2Input Voltage: 1.7-5VSize: Approx. 35x35x8mm/1.38x1.38x0.31inAudio Input: for Bluetooth Input (0-15 meters)Mounting Hole Distance: 9/17/3mmAudio Output: 3.5mm Audio Cable OutputWeight: 20gPower Interface: for Android Micro USBPackage Included:1 x Module