When you have a vintage car with a tape player, the cassette Bluetooth receiver allows you to enjoy music from your phone without modifying the original audio system. - The Cassette Bluetooth 5.0 receiver is compatible with most smartphones and ideal for home or car audio systems. This Bluetooth receiver is designed for cars or devices that lack built-in Bluetooth, enabling them to receive wireless audio signals. Adjust the audio equalization settings on the player to enjoy high-quality sound. - Answer phone calls and 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 an enhanced listening experience. - Built-in rechargeable battery provides up to 8 hours of play and talk time, with 168 hours of standby time. Fully charges in 1.5 hours. Advanced chip technology ensures stable, 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