This Bluetooth receiver supports SBC/AAC high-definition audio decoding to clearly restore music details. Built-in power isolation module filters current interference; enamelled copper wire core ensures high-fidelity transmission with no noise or current sound. Integrated microphone with CVC call noise reduction technology for clear hands-free calls. After the mobile phone and device are paired successfully, the connection automatically resumes when the car starts. Constructed with high-quality wire for uniform strength, resistant to bending and breakage. Bluetooth 5.3 ensures stable signal transmission with no delay or lag, delivering smooth music playback. Built-in antenna enables reliable transmission within a range of 0–10 meters. Cable made of high-rebound TPE material, stretchable from 0.3 to 1.5 meters, anti-tangle with excellent elasticity. Compatible with TF cards up to 32GB capacity, plug and play. Bluetooth Version: 5.3 Sensitivity: -42±3dB Signal-to-Noise Ratio: >90dB Supported Decoding Formats: FLAC, WAV, APE, MP3 Bluetooth Delay: Low latency for real-time audio synchronization