Quality Audio Performance Experience sound with advanced Bluetooth 5.4 technology and support for quality audio codecs including APTX, SBC, HD, AAC, AD, and LL. Enjoy faster, more stable connections and ultralow latency, ideal for watching movies, gaming, or listening to music without interruptions or delays. Dual Listening Capability Share audio effortlessly. In Transmit (TX) mode, connect up to two Bluetooth headphones or speakers to nonBluetooth devices. In Receive (RX) mode, pair up to two smartphones or tablets for streaming to your car stereo or home audio system. Compatible with devices such as AirPods, Samsung, Sony, iPhone, and more. Extended Battery Life for Travel Equipped with a capacity 320mAh rechargeable battery, providing up to 18 hours of continuous use in TX mode and 21 hours in RX mode. Designed for long trips and flights, this device can also operate while charging using the included cable, ensuring uninterrupted connectivity wherever you go. BuiltIn Hands Calling The integrated microphone allows you to take calls without disconnecting from your audio. When paired with your phone, you can answer important calls directly through the adapter, making it convenient for both music enjoyment and communication. Versatile 2in1 Bluetooth Adapter In TX mode, upgrade nonBluetooth TVs, PCs, gym equipment, or airplane entertainment systems into wireless audio transmitters. In RX mode, stream audio from Bluetoothenabled phones or tablets directly to legacy devices such as car radios or home stereos through the aux connection. Practical Usage Scenarios On long flights: Connect to inflight entertainment systems and use your wireless headphones without cables. At home: Stream TV audio to two Bluetooth headphones simultaneously for private viewing. On the road: Receive music or calls from your smartphone to your car stereo using the Bluetooth receiver function. This compact, lightweight, and durable Bluetooth transmitter receiver offers versatile functionality, wide compatibility, and reliable performance, making it an essential accessory for travel, home entertainment, and everyday wireless audio needs.