Bluetooth 5.0 Adapter: Transform non-Bluetooth devices into Bluetooth-enabled ones to unlock more possibilities. Featuring a high-quality Bluetooth 5.0 chip, the connection range extends up to 10 meters. The LCD screen displays its working status and allows you to freely select the connected device. Transmitter Mode: Connect the 3.5mm audio cable from this Bluetooth transmitter to your non-Bluetooth device (such as a TV, PC, or MP3 player) and pair it with your Bluetooth headphones/speakers. Receiver Mode: Connect the 3.5mm audio cable from this Bluetooth receiver to your non-Bluetooth device (such as an old speaker or car stereo) and pair it with your smartphone. Lossless Audio Quality: Utilizes low-latency technology to minimize loss during wireless transmission and ensure audio and video synchronization. Hands-Free Calling Support: Built-in microphone allows for one-click answering of calls. Never miss a call and keep your eyes on the road for safer driving. Works While Charging: This Bluetooth audio adapter is battery-powered. A 2-hour full charge provides 8 hours of operation. It also supports working while charging, so you don't have to worry about low power. Easy to Use: This compact Bluetooth adapter is small, lightweight, and easy to carry. In receiver mode, you can switch songs and adjust the volume using its buttons without using your phone.