Car CD players are widely used, and digital music is gaining popularity due to its versatility and personalization. Unlike standard car MP3 players, our product features a unique, purpose-built design. Many vehicles lack built-in CD or multi-disc players, and users often find traditional car MP3 devices unsatisfactory—prone to interference and delivering subpar audio quality. Others face compatibility limitations: no USB or SD card support, or prefer not to rely solely on smartphones for playback. Purchasing full CDs for just a few favorite tracks can be inconvenient—burning, swapping, and selecting songs repeatedly adds unnecessary hassle. Mechanical CD players are also vulnerable to jams on rough roads and may fail prematurely. Additionally, handling calls manually while driving poses safety concerns. Our product addresses these challenges thoughtfully. We prioritize seamless music access: start with your favorite track, navigate playlists easily, switch between sources effortlessly—and stay focused on the road while taking calls hands-free. This professional-grade car digital media player delivers high-fidelity, lossless audio playback—comparable to CD quality—at minimal cost. Simply use a USB drive, SD card, or smartphone for instant access to your music library. Features include CD-style physical controls, wide format support, and stable Bluetooth connectivity. Supported audio formats: WAV, MP3, APE, WAVE, FLAC Input options: 1 × USB 2.0 port, AUX input Frequency response: 20 Hz – 20 kHz Bluetooth version: 5.0 BR/EDR (backward compatible) Total harmonic distortion: < 0.05% Signal-to-noise ratio: > 90 dB Standby power consumption: < 0.1 W Operating temperature: –20°C to +70°C Power supply: DC 11–15 V