When you have a vintage car with a tape player, the cassette Bluetooth receiver allows you to enjoy music from your phone without replacing or modifying your car's original system. The Cassette Bluetooth 5.0 receiver is compatible with most smartphones and works well with home or car o systems. This Bluetooth receiver is designed for cars or devices that lack built-in Bluetooth capability. Adjust the equalization settings on your player to enjoy high-quality sound. Answer phone calls or control music 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 o transmission for an enhanced listening experience. 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 chipset ensures stable, fast transmission with low power consumption for superior o 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