With this Bluetooth cassette player, you can continue to enjoy the music on your phone even if you have a car with a cassette player. You don't need to replace or modify your car to avoid ruining its classic look. . - The Bluetooth 5.0 cassette player is compatible with most smartphones and is ideal for home or car stereo systems. This is a box-type Bluetooth receiver for cars or devices that do not have Bluetooth and want to receive Bluetooth signals. Just adjust the audio settings on the player and you will get the music classics. - You can answer phone calls or control music on the receiver. Change volume, play/pause/skip music, answer calls. Supports all phones, tablets, MP3 players, car stereos, headphones, Hi-Fi, portable speakers or other devices equipped with standard Bluetooth technology. Seamlessly transmit stereo sound for high-quality sound, so you can enjoy your music anywhere and anytime. - The built-in battery provides up to 8 hours of play and talk time, 168 hours of standby time and only takes 1.5 hours to fully charge. The premium chip provides more stable and faster transmission with lower power consumption, providing a superior sound experience that pampers your ears and never feels boring while driving. Specifications: Color: Black Bluetooth version: 5.0 Rechargeable battery (lithium battery): rechargeable Battery capacity: 130mAh Package includes: 1 x cassette adapter 1 x USB charging cable About shipping: All items will be shipped within 3 business days after payment is received. Usually you will receive them within 8-12 days. The specific delivery time depends on the circumstances. If you have any questions, please feel free to contact us. If you have any questions during the purchase process, please feel free to contact us. We will reply to you within 24 hours. We wish you a pleasant shopping experience. Thank you for your cooperation and we will make sure that you are satisfied.