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 o equalization settings on your player to enjoy high-quality sound. You can answer phone calls and control music playback directly from the receiver, including volume adjustment, play/pause, track skipping, and call answering. Supports connectivity with phones, 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 enhanced sound quality, allowing you to enjoy music anytime and anywhere. 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. Premium chip ensures stable and fast transmission with low power consumption, delivering 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