GT72 USB Wireless Audio Adapter LED Digital Display Bluetooth 5.4 Audio Receiver Transmitter •2-in-1 Functionality: Seamlessly switch between receiving and transmitting modes with a single button press •LED Display Screen: Real-time status monitoring with an LED digital display,providing clear visibility of the operating mode for easy and convenient use •AUX Output: Equipped with AUX output for broader application and stronger performance,compatible with most audio input/output devices •TF Card Playback: Supports TF card playback,allowing for instant plug-and-play functionality •Bluetooth 5.4 Upgrade: Enhanced with Bluetooth 5.4 technology to eliminate delay and lag for a smooth audio experience •Wide Compatibility: Suitable for all devices with audio input/output interfaces,making it perfect for upgrading cars,vintage speakers,and more to Bluetooth functionality Specifications: •Bluetooth version: V5.4 •Transmission distance: 10 meters •Power supply: USB power supply •Size: 66.2*25.5*14mm Package included: •1 x Bluetooth Audio Adapter •1 x Audio Cable •1 x English User Manual •Other items not include