Feature: 1. Bluetooth Transmission: The cassette adapter seamlessly connects to your phone for wireless sound playback, allowing you to enjoy music through headphones or car stereo without any tangled cables. 2. Memory Card Slot: This bluetooth cassette adapter supports up to a 32GB memory card, making it easy for users to store and organize their favorite digital music for instant access on the go. 3. Recording Function: With the recording function, the wireless cassette converter enables you to record sound from cassettes to memory card, preserving your favorite tracks digitally and effortlessly. 4. Portable Design: Its compact design makes the bluetooth cassette adapter easy to carry and use while traveling, ensuring you can always enjoy your music experiences, whether in your car or elsewhere. 5. USB Operated Design: The Bluetooth cassette adapter requires a direct USB power supply, needs a 5V 1A or 2A adapter, making it easy to connect and operate without complicated setups. Specification: Item Type: Bluetooth Cassette Adapter Memory: Maximum support 32G small memory cards (without) Function: Connect mobile phone Bluetooth for playback, support mp3 compression, wav true lossless digital broadcast files (some motherboards support Flac) Power Source: USB 5V, plug in use, need 5V 1A or 2A power adapter Material: Plastic Weight: Approx. 47.00g / 1.66oz. Package List: 1 x Bluetooth Cassette Adapter 1 x USB Cable