Bluetooth Cassette Adapter with TF Card Support and Long Battery Life Enjoy modern wireless convenience with your existing car cassette player. This Bluetooth 5.1 cassette adapter lets you easily connect your smartphone or other Bluetoothenabled devices, providing clear audio and a stable signal for uninterrupted music playback and hands calling while driving. Key Features: Stable Bluetooth 5.1 Connection: Ensures a strong, seamless pairing with any Bluetoothenabled device, minimizing dropouts and audio delays during playback or calls. Hands Calling: Integrated microphone allows you to take calls safely without touching your phone, helping you keep your eyes on the road. TF Card Playback: Builtin TF card slot supports audio files directly from your memory card, so you can listen to stored music without relying on a connected device. Extended Play Time: Up to 16 hours of continuous use on a single charge, ideal for road trips and long journeys without worrying about battery depletion. Charge While Using: Continue listening to your music while charging the adapter, ensuring nonstop entertainment. Performance and Compatibility: Works with any standard cassette player in cars or home systems. Compatible with smartphones, tablets, and any device with Bluetooth capability. Plays MP3 or other supported audio formats directly from TF cards. Compact and lightweight design that fits easily into any cassette deck without obstructing operation. Practical Use Scenarios: 1. Long road trips where uninterrupted music playback and hands calling enhance comfort and safety. 2. Daily commutes, providing a convenient way to play audio from streaming services or stored files without needing to your existing cassette player. 3. Listening sessions in vintage or classic car models that still use cassette players, giving them modern connectivity without modification. Built with reliable performance and versatility in mind, this Bluetooth cassette adapter upgrades your old audio system with today's wireless convenience while maintaining ease of use and compatibility.