Enhance your in-car audio experience with this advanced Bluetooth Adapter, specially designed as a seamless replacement for select car models from 2002 to 2006. This Bluetooth 5.0 adapter enables high-definition wireless audio streaming through your vehicle’s original AUX input, delivering crystal-clear sound and hands-free calling functionality for safer, more convenient driving. Key Features: · **Wide Compatibility:** Perfectly fits a range of models including E46 320i/320ci/320cic, 323i/323ci/323cic, 325i/325ci/325cic, 328i/328ci/328cic, 330i/330ci/330cic, M3 Coupe, Sedan, Convertible (2002-2006), as well as E39 525i/525iT, 530i/530iT, 540i/540iT, M5 (2002-2003), and E53 X5 series (2002-2006). Compatible with BM54 units and large screen stereo hosts with 16:9 display. · **Bluetooth 5.0 Technology:** Supports aptX, aptX HD, and aptX Low Latency codecs for superior audio quality with minimal delay, ensuring seamless wireless music streaming from smartphones, tablets, or other Bluetooth-enabled devices. · **Integrated Amplifier & Noise Filter:** Built-in amplifier and intelligent voice noise reduction technology minimize echo and background noise, providing clear and stable audio transmission without interruptions or overloads. · **Multiple Audio Input Options:** Supports Bluetooth wireless audio, AUX input, T card, and U disk playback, giving you versatile connectivity choices for your entertainment needs. · **Hands-Free Calling:** Equipped with a built-in microphone, enabling clear and convenient hands-free phone calls while driving, enhancing safety and ease of use. · **High-Quality Audio Transmission:** Delivers HD audio through the original car AUX signal with a frequency response range of 20Hz to 20kHz, a sampling frequency of 44.1/48/96KHz, and a low distortion rate (≤1%) for rich and balanced sound. · **Easy Plug and Play Installation:** Designed for straightforward installation using the original car CD plug with 12V power supply (black negative, red positive), or via cigarette lighter adapter for vehicles with front-mounted AUX interfaces, enabling quick setup without professional assistance. · **Stable Wireless Connection:** Operates on a 2.402-2.480GHz frequency range with an effective transmission distance of approximately 15 meters (49.21 feet), ensuring reliable connectivity throughout the vehicle cabin. Specifications: · Material: ABS · Bluetooth Version: 5.0 · Working Voltage: 12V · Working Current: 20mA · Sampling Frequency: 44.1/48/96KHz · Frequency Response: 20Hz–20kHz · Frequency Range: 2.402–2.480GHz · Transmission Distance: Approx. 15m / 49.21ft · Distortion Rate: ≤1% · Signal to Noise Ratio: 95dB Package Includes: · 1 x Bluetooth Adapter Upgrade your vehicle’s audio system effortlessly with this high-performance Bluetooth Adapter, designed to provide exceptional sound quality, versatile connectivity, and user-friendly installation. Enjoy wireless music streaming and hands-free calls with enhanced noise reduction technology, tailored specifically for your car’s original AUX input.