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 box-type Bluetooth receiver for cars or devices without built-in Bluetooth capability Simply adjust the audio equalization settings on the player to enjoy your favorite music - You can answer phone calls or control music playback directly from the receiver Features volume control, play/pause, track skip, and call answering functions Compatible with phones, tablets, MP3 players, car stereos, headphones, Hi-Fi systems, and portable speakers with standard Bluetooth technology Seamlessly transmits stereo audio for high-quality sound performance - Built-in rechargeable battery provides up to 8 hours of play and talk time, with 168 hours of standby time Fully charges in approximately 1.5 hours Equipped with a premium chip for stable, fast transmission and reduced power consumption, delivering clear audio quality 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