【New Upgrade】Upgrade your in-car audio experience with our new cassette bluetooth adapter that allows you to enjoy music from your phone without replacing or modifying your vehicle. Preserve the original classic charm of your car while unlocking the convenience of modern technology. 【5.1 Bluetooth】The Bluetooth 5.1 Premium Chip ensures a more stable and faster transmission, allowing you to make the most of your device’s capabilities. The Arsvita 5.1 bluetooth cassette adapter is compatible with most smartphones and is ideal for home or car audio systems. 【Experience Premium Sound Quality】Immerse yourself in stereo sound quality with adjustable audio equalization settings. Enjoy your favorite music classics with crystal clear audio reproduction using our Bluetooth cassette adapter. 【Convenient Music Control】Take control of your music and phone calls with ease. This bluetooth cassette allows you to change volume, play/pause/skip music, and answer calls directly from the receiver. Stay focused on the road or your activities without the need to constantly reach for your phone or other devices. Enjoy seamless control and convenience wherever you go. 【Use it while charging】With its built-in battery, the Car Audio Cassette to Aux Adapter provides up to 10 hours of play and talk time. With the added functionality of simultaneous charging and usage, this cassette Bluetooth adapter enables you to power your device while using it. It only takes 1.5 hours to fully charge, ensuring you can enjoy uninterrupted music and conversations on the go. The "Tape Converter" in accordance with the normal way of placing a tape into the car's tape recorder (cassettes), CD, MP3, MD, DVD, VCD and other audio output device, and then play CD, MP3 or MD, to the appropriate adjustment, it can realize music playback, music control, navigation playback, phone call and other functions. So you can enjoy CD, MP3 player or MD wonderful love songs in car!