The BDT-5.0 is a handy 3-in-1 Bluetooth adapter that makes it easy to add Bluetooth capability to your entertainment devices. In transmitter mode, you can stream the sound from your TV to Bluetooth headphones or speakers. When used as a receiver, you can wirelessly play music from your smartphone on your stereo system. Thanks to its dual-link function, the BDT-5.0 can connect to two Bluetooth devices simultaneously, allowing you to use two headphones or speakers at the same time. The convenient bypass mode lets you use wired speakers without having to unplug audio cables each time. Setting it up is incredibly simple, with the device connecting in just a few seconds. The 1.8-inch LCD display clearly shows the names of your Bluetooth devices and the current operating status of the adapter. Additionally, you can easily adjust the volume, switch devices, and control playback/pause using various buttons and the rotary knob. The latest Bluetooth 5.0 technology ensures a more stable, faster transmission with low power consumption. The range is up to 14 meters in transmitter mode and 20-30 meters in receiver mode. The BDT-5.0 supports both digital optical Toslink and analog RCA and 3.5mm jack connections, making it compatible with most TVs, AV receivers, soundbars, stereo systems, headphones, and smartphones. All necessary connection cables are included. Any USB power source can be used for power supply.