【Bluetooth 5.0 transmitter and receiver mode】 Portable Bluetooth 5.0 audio transmitter receiver can transmit stereo audio from TV, MP3, CD player, PC or book reader to your Bluetooth headset, speaker or other receiver It can also make your earphones or speakers receive audio from Bluetooth audio sources, which is very convenient and practical. | 【2-in-1 Bluetooth Audio Adapter】 Breathe Bluetooth capabilities to virtually any TV, PC or MP4 player with TX mode for totally wireless audio streaming; RX mode adds Bluetooth functionality to an array of non-Bluetooth headphones or speakers to experience high-quality music（Toggle switch must be executed at power off） | 【Ultra-high sound quality】Bluetooth transmitter Support voice prompts, Bluetooth assist is equipped with Bluetooth 5.0 technology, provides 35 feet of operating range, good performance, Using the included 3.5mm cable,high-quality sound quality brings you a very comfortable and relaxed feeling. | 【Low delay&long standby】Transmitter and Receiver Low Latency for High-fidelity Stereo Sound, lag-free content streaming in transmitter mode. Low Latency supported Bluetooth headphones/speakers are required.Built-in battery for up to 10 hours use - enjoy your favorite wireless content all the time.( Note: low latency does not support dual connection) | 【Easy to carry, after-sales service】The Compact Bluetooth Adapter Is Small, Lightweight And Easy To Carry.Using the included 3.5mm cable, this transmitter adapter can be widely used in TV, car stereo, home stereo, headphones, etc. If you have any problems with your use, please feel free to contact us via your Amazon purchase history We offer a 1-year warranty.