Bluetooth audio receiver adapter, suitable for wireless stereo music playback, supports 3.5mm AUX input/output interface and R/L RCA interface, as well as speaker amplification function.

Bluetooth 5.3 Technology: Experience seamless audio transmission through Bluetooth 5.3 technology, ensuring a stable connection and high-quality sound for your desktop speaker amplifier. 
• 3.5mm AUX R/L RCA Support: This adapter is specifically designed to support 3.5mm AUX R/L RCA connections, featuring versatility and compatibility with various devices and speakers. 
• USB drive playback compatibility: Supports USB drive playback, allowing you to enjoy your favorite music directly from the USB drive. 
• Wireless Stereo Music: With this adapter, enjoy an immersive wireless stereo music experience and enhance your listening pleasure. 
• RoHS Certification: This product has passed RoHS certification, ensuring the safety and environmental friendliness of its components. 
Wireless Bluetooth Audio Bluetooth 5.3 Audio Receiver 3.5mm AUX Jack USB NFC RCA Stereo Music Wireless Adapter 
Note: Only reception function is available, no transmission function is supported. 
Description:

Bluetooth version: 5.3

Forward transmission distance: 10 meters 
Output interface: 3.5mm / Type-c 
Bluetooth protocol: AVRCP, A2DP 
Frequency range: 2400 - 2483.5 MHz 
Frequency response: 20Hz - 20kHz 
Output power: 28mW
Signal-to-noise ratio: above 90 dB 
Total Harmonic Distortion: Less than 0.1% 
Support: USB drive, hands-free calling, NFC connection (without NFC in BT 5.3), SBC, AAC, 5V Micro USB power supply, connection between two mobile phones.