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, preserving its 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 that lack Bluetooth capability and want to receive Bluetooth signals. Adjust the audio equalization settings on the player to enjoy high-quality sound - You can answer phone calls or control music directly on the receiver. Features include volume adjustment, play/pause, track skipping, and call answering. Supports phones, tablets, MP3 players, car stereos, headphones, Hi-Fi systems, portable speakers, and other devices equipped with standard Bluetooth technology. Seamlessly transmits stereo audio for an enhanced listening experience - Built-in battery provides up to 8 hours of playback and talk time, with 168 hours of standby time. Fully charges in approximately 1.5 hours. Advanced chip ensures stable and faster transmission with reduced 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