Low Latency Bluetooth 5.0 Audio Transmitter Receiver, equipped with the smart chip to ensure the stronger and more stable transmission /NOTED: Its because of sony/x27;s Bluetooth headset/earphone/headphone uses a special encoding method, its not public for other devices to connect.So when you use sony/x27;s Bluetooth headset/earphone/headphone to pair with our devices in bluetooth transmitter mode, it may takes longer time to pair.The pairing time varies on different model of Sony . But they can surely pair successfully with our devices. Suitable for any devices(smartphone,earphone,speaker etc) any version of Bluetooth on the market, including: bluetooth 1.0/1.1/1.2;/2.0/2.1;3.0/3.1/3.2;4.0/4.1/4.2;5.0 etc. Features: 2 in 1 Bluetooth Audio adapter - have you ever thought about bringing your TV, projector or vintage stereo system into the Bluetooth age? This R22 Bluetooth transmitter receiver will make it happen. It has 2 modes(tx, RX) that can Bluetooth-enable nearly all the Audio devices in your home, such as your TV, iPod, PC, old home stereo or speakers. In this way, you will be able to get rid of wires and enjoy high quality wireless audio freely throughout your home. 40m Ultra long range - utilizing the latest Bluetooth 5. 0 technology and dual Antennas design, Visoud Bluetooth adapter can achieve a range of up to 40 meters, which ensures a stable connection without losing signal wherever you go in your big house. /Note: operation range can be affected by Wi-Fi routers, wireless TV adapters and also depends on the receiving devices. This R22 comes with Low Latency to virtually eliminate audio-visual lag, it is ideal for watching TV/movies. Also, it can connect with two Bluetooth headphones at the same time, that means you can share the great fun with your family or friends without disturbing any others. Support U Dsik play. Power-off memory function. /Note: to achieve low Latency, your receiving device must also support Low Latency. Package: 1 x Bluetooth Audio Adapter 1 x 3.5mm jack to 2 RCA plug cables 1 x Micro USB charging cable 1 x user manual