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 designed for cars or devices without built-in Bluetooth capability. Adjust the audio settings on your player to enjoy high-quality sound. - Answer phone calls or control music directly from the receiver. Change volume, play/pause, skip tracks, and answer calls. Supports phones, tablets, MP3 players, car stereos, headphones, Hi-Fi systems, portable speakers, and other devices with standard Bluetooth technology. Delivers seamless stereo audio transmission for enhanced listening experiences. - 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 performance. 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