Universal Compatibility: Our Bluetooth Cassette Adapter is compatible with all cars and trucks that have cassette players. Simply insert it into your cassette deck and start enjoying the benefits of wireless music streaming without the need for any modifications or complicated installations. Bluetooth 5.1 Technology: Equipped with the latest Bluetooth version, our cassette adapter ensures a stable and fast wireless connection. Enjoy audio transmission and seamless music playback with no interruptions or distortions. Low Power Reminder: The adapter features a low voltage indicator and a sound alarm to remind you when the battery is running low. With intelligent detection of tape operation, it helps reduce battery consumption caused by forgetting to shut down the device. Convenient Design: Our Bluetooth Cassette Adapter has an external charging structure, allowing you to listen to music while charging. Experience uninterrupted hours of music playback, whether on a long road trip or commuting. Wireless Music Streaming: Stream your favorite music wirelessly from your smartphone or any other Bluetooth-enabled device. Enjoy the freedom of wireless connectivity and eliminate the hassle of tangled aux cables. Color: Black Material: Plastic Note: Different batches may vary slightly in appearance, which does not affect functionality. Package Contents: 1 x Cassette Receiver (Only the above items included) Note: Light reflection and different displays may cause slight color variations. Measurement error allowance: +/- 1-3 cm.