1.The Bluetooth cassette adapter is the last cassette you need, as well as your favorite music, and audiobooks in your car.Seamlessly transmits stereo audio for high quality sound, making you enjoy your music anywhere and anytime! 2.This bluetooth 5.0 Cassette Aux adapter is compatible with most smartphones and is ideal choice for home or car audio systems. You don't need to modify the car's original classic!It's a cheapest and easiest way to use than replacing a whole radio. 3.Stream music from any Bluetooth device (such as mobile phones, tablets, etc.) without complicated settings, no cables, no tangled tapes.Premium Chip supply more stable and faster transmission with less power consumption, which can represent a superior audio performance to spoil your ear and never feeling boring while driving. 4.The second generation cassette adapter contains a long lasting rechargeable battery, you can enjoy music while charging.