The C28 Bluetooth 5.0 Transmitter Receiver is a 2-in-1 wireless adapter that transforms your non-Bluetooth devices into Bluetooth-enabled ones. Whether you want to stream audio from your TV to Bluetooth headphones or turn your car stereo into a wireless music hub, this compact device has you covered! ?Use as a transmitter (TX mode) to send audio from TVs, PCs, or MP3 players to Bluetooth headphones/speakers. Or use as a receiver (RX mode) to turn your car or home stereo into a Bluetooth speaker. ?Bluetooth 5.0 Wide Compatibility – Stable, high-quality sound transmission up to 10m range. Works with smartphones, laptops, tablets, car stereos, home speakers, TVs, and more via 3.5mm AUX. ? Rechargeable Long Battery Life – Built-in 140mAh battery, 4–8 hours working time, and 1-hour fast charging via USB. ? Compact Easy to Use – Lightweight, portable (59.5mm x 22mm x 12mm), simple plug play design. One-button operation for pairing devices. ? Clear Lag-Free Audio – Ensures low latency and high-fidelity sound for an immersive listening experience. Perfect for watching TV without disturbing others or enjoying hands-free calls.