🏆🏆 【Transmitter and Receiver】 Wirelessly transmits audio from non-Bluetooth TV, home stereo system to Bluetooth headphones or speakers. as a Receiver, ideal for audio systems that transmit music at home or in the vehicle. | 🎼🎼 【Perfectly in sync 】 Low Latency for high fidelity stereo sound, you can watch video while listening to wireless audio synchronously and without audio delay in transmitter mode. Built-in battery for up to 8 hours of use. Supports playing while charging. | 👍👍【Cable-free】 Bluetooth adapter uses 5.0 technology, provides more stable, faster transmission, enjoy a wonderful sound from a distance of over 10 meters, without cable connections. It provides a richer and deeper music experience. | 📞📞【Hands-free Calling】Built-in with microphones, the bluetooth audio adapter allows you to enjoy phone calls with hands-free calling straight through the car's speakers. You don’t have to look down the phone on the move. Make sure you drive safely! | 🎷🎷 【Easy to Use & Ultra Compact】 Easily switch between transmitter (TX) and receiver (RX) modes. Provides a richer and deeper sound experience. Enjoy uncompromising CD-like audio quality. | 🥁🥁 【Wide Compatibility】 bluetooth tv transmitter with 3.5mm cable can be used for your car, PC, TV, laptop, home stereo system, headphones, smartphone, MP3 player, wired headphones etc.