Description: Wireless Stereo Music Module 7-5V: Enjoy music wirelessly with this Bluetooth decode board, supporting multiple decoding formats for a versatile listening experience Power Supply Voltage 7-5V: This DIY Bluetooth audio receiver board offers a wide range of compatibility, suitable for use in a variety of scenarios with its flexible power supply voltage Signal-to-noise Ratio 90DB: Experience clear and crisp sound with a high signal-to-noise ratio of 90DB, ensuring a audio performance for your car speaker system Non-wall Transmission Distance Up To 15M: Stay connected without interruptions with a transmission distance of up to 15 meters, allowing you to enjoy seamless Bluetooth connectivity Total Harmonic Distortion Noise Is -70DB: in pure music without distortion, thanks to the low total harmonic distortion noise of -70DB provided by this MP3 lossless decode board Specification: Color: As Shown. Material: PCB,ABS. Size: Approx 6*5*2.5cm/2.36*1.97*0.98inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Without housing: 1* Bluetooth audio receiver board With housing: 1* Bluetooth audio receiver board 1* housing