Features: 1. Type-C 5V power supply with built-in common ground interference processing circuit for stable audio output 2. Enables wireless playback for non-Bluetooth speakers 3. Upgraded Bluetooth power amplifier with RCA interface for compatibility with external audio equipment 4. Designed for car use—plug into the car’s AUX port and connect via Bluetooth from your mobile device for wireless music playback 5. Bluetooth 5.3 with stable connection, no audio dropouts; equipped with professional audio DSP chip Specifications: - Input voltage: DC 5V - Product name: Bluetooth audio receiver - Interface type: AUX + RCA - Bluetooth version: 5.3 - Dimensions: 8.3 x 5.6 x 2.5 cm - Bluetooth protocols: A2DP, AVRCP - Maximum transmission distance: 10 m (unobstructed) - Supported audio formats: MP3, APE, FLAC, WAV, WMA - Color: Black - Material: ABS Package includes: - 1 x Bluetooth audio receiver - 1 x User manual (English) - 1 x Type-C power cable - 1 x AUX audio cable Note: Color may vary slightly due to screen settings and lighting conditions. Dimension tolerance: ±1–3 cm.