Transform your car's audio system with the M416 Bluetooth Audio Receiver Adapter. This compact adapter plugs directly into any standard AUX input, instantly upgrading your wired stereo for wireless Bluetooth streaming. Enjoy your favorite music, podcasts, and audiobooks from your smartphone with crystal-clear sound quality. Key features include: - **Bluetooth 5.3 Technology:** Provides a stable, efficient connection with low power consumption and an impressive wireless range of approximately 10 meters. - **Hands-Free Calling:** The built-in microphone allows you to make and receive phone calls safely while driving, with clear audio transmission. - **Universal Compatibility:** Works seamlessly with any car stereo, speaker, or headphone set that has a 3.5mm AUX input jack for true plug-and-play operation. - **Long Battery Life:** The integrated 120mAh battery offers up to 10 hours of continuous use and recharges quickly via the modern USB-C charging port. - **High-Quality Audio:** Features a high-fidelity decoding module and a digital noise reduction chip for superior sound with a signal-to-noise ratio >90dB and a full frequency response (20Hz-20KHz). - **Auto-Reconnect:** Powers on and automatically re-pairs with your last connected device for ultimate convenience. - **Dual Functionality:** Perfect for streaming music and navigation prompts to your car stereo or converting wired headphones into wireless ones. Enjoy wireless freedom, enhanced audio, and safe, hands-free communication wherever you go.