Function: 1. Multifunctional This tape adapter allows you to answer calls or control music playback, adjust volume, play, pause, and skip tracks with extended play time. 2. Compatible Works with any mobile phone, tablet, MP3 player, car stereo, headset, or other devices equipped with standard Bluetooth technology. 3. Stereo Smart design ensures a secure connection with double shielding, polished metal housing, and corrosion-resistant gold-plated plugs for high-fidelity, seamless stereo sound transmission. 4. Good Performance Each component of the tape receiver is rigorously tested to ensure reliable performance, intelligent noise reduction, and minimal signal loss. 5. Easy to Use Enables you to enjoy music from your phone in your car without modification; cable-free setup with stable and fast wireless transmission. Specification: Item Type: Cassette Adapter Material: ABS Belt Size: Approx. 10 x 6.4 x 1 cm / 3.9 x 2.5 x 0.4 in Color: Black Battery: Lithium battery, 300mAh Bluetooth Version: 5.0 Compatibility: Supports any mobile phone, tablet, car speaker, or other devices with standard Bluetooth technology Ideal for home or car audio systems Features high-fidelity sound, long playing time, stable and fast transmission, no cables required, simple operation How to Use: Remove the product and begin use. Package List: 1 x Cassette Adapter 1 x USB Charging Cable