Function: 1. Multifunctional – This tape adapter allows you to answer calls or control music playback, adjust volume, play, pause, skip tracks, and offers extended play time. 2. Compatible – The cassette adapter works with any mobile phone, tablet, MP3 player, car stereo, headset, or other devices equipped with standard Bluetooth technology. 3. Stereo – Features a smart design for secure connection, double shielding, polished metal casing, and corrosion-resistant gold-plated plugs for high-fidelity, seamless stereo sound transmission. 4. Good Performance – Every 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 without modifying your car’s o system. Cable-free design 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: 5.0 Supports any mobile phone, tablet, car speaker, or other devices with standard Bluetooth technology Ideal for home or car o systems High-fidelity sound, long playing time, stable and fast transmission, no cables, simple operation How to Use: Remove the product and use directly. Package List: 1 x Cassette Adapter 1 x USB Power Cable