HANDS-FREE CALLING & EASY CONTROLS: This car bluetooth cassette aux adapter has built-in function buttons, enjoy clear hands-free calling with one touch, and easily control play/pause on the cassette audio adapter. Focus on the road while staying connected.WIDE COMPATIBILITY: This car Bluetooth cassette adapter works seamlessly with a variety of devices, including smartphones, tablets, and other Bluetooth-enabled Audio playback devices. Perfect for any car stereo or cassette player.SUPERIOR SOUND QUALITY: The sophisticated tape head of this cassette audio adapter provides a rich, clear audio experience, whether it's music or calls, the sound quality is excellent. Upgrade your old cassette player or car stereo to wireless, high-quality Bluetooth audio.DURABLE & CONVENIENT: Crafted with high-quality materials, this tape aux adapter is built to last. Its compact and portable design allows for easy use in any car or with vintage tape players, offering a convenient solution to your audio needs.LONG BATTERY TIME: This Bluetooth cassette receiver has a standby time of 7-8 hours on a full charge, ensuring continuous music streaming and calls, perfect for long-distance driving. The product comes with a USB to Mirco charging cable.