When you have a vintage car with a tape player, the cassette Bluetooth receiver allows you to enjoy music from your phone. You don't need to replace or refit your car audio system, preserving its original classic design. - The Cassette Bluetooth 5.0 receiver is compatible with most smartphones and works well with home or car audio systems. This is a compact Bluetooth receiver for cars or devices without built-in Bluetooth capability. Simply adjust the audio equalization settings on your player to enjoy your music. - You can answer phone calls or control music playback directly from the receiver. Features include volume adjustment, play/pause, track skipping, and call answering. Supports smartphones, tablets, MP3 players, car stereos, headphones, Hi-Fi systems, portable speakers, and other devices equipped with standard Bluetooth technology. Delivers seamless stereo audio transmission for high-quality sound performance. - Built-in rechargeable battery provides up to 8 hours of playback and talk time, with 168 hours of standby time. Fully charges in 1.5 hours. Advanced chip technology ensures stable and fast transmission with low power consumption, delivering superior audio quality for an enhanced listening experience. Specifications: Color: Black Bluetooth Version: 5.0 Battery Type: Rechargeable lithium battery Battery Capacity: 130mAh Package included: 1 x Cassette Adapter 1 x USB Charging Cable