We noticed the problems mentioned by many customers and worked out solutions for them. We have uploaded instructions in English in the "Product Guides and Documentation" module at the bottom of this page. Click to view instructions online. We hope this solves your problem. | 【3-in-1 Bluetooth Adapter-Transmitter/Receiver/Bypass】SOOMFON Bluetooth adapter receiving mode and launch mode support both pairing with two Bluetooth devices at the same time. The Bypass mode also allows you to enjoy TV or movie audio with non -Bluetooth headsets or speakers. | 【Simple and Clear Operation - 1.8 inch LCD Display and Knob】Our Bluetooth receiver transmitter is equipped with a 1.8-inch LCD screen, allowing you to clearly see the device name and the current working status of the Bluetooth adapter. In addition, you can easily adjust volume, switch devices and play/pause using various buttons and knobs. | 【Bluetooth 5.0 - Length and Stable Transmission】Bluetooth adapter audio adopts 5.0 technology to ensure more stable, faster transmission, low power consumption, while providing excellent audio performance. The data transmission distance can reach 14m in TX mode and 20m-30m in RX mode. You can cook dinner while watching TV or listening to the news via Bluetooth. | 【WIDE COMPATIBILITY - CABLES ALSO INCLUDED】Thanks to optical, AUX and RCA input cables, our bluetooth transmitter receivers are universally compatible, suitable for most TVs, PCs, home stereos, headphones, smartphones, MP3 players, CD players and other markets. It lets you listen to your favorite TV shows/movies/music at your own volume; you no longer need to keep turning up the volume on your TV speakers and disturbing your family or neighbors. | 【2 x Connect + Auto Connect】The TX and RX modes of the Bluetooth Stereo Adapter support connecting two Bluetooth devices at the same time, allowing you to share the fun with your lover, family and friends. When you turn on the Bluetooth audio adapter, it automatically connects to the device you paired earlier.