Description: 【Digital to Analog Audio Converter】: Enjoy stable and fast wireless audio transmission with advanced V5.3 technology, supporting both receiver (A2DP, AVRCP) and transmitter (A2DP) modes for versatile connectivity 【Multi Interface】: Audio Receiver Transmitter connects effortlessly to a wide range of devices using AUX, coaxial, optical fiber, or USB flash drive ports; great for home theaters, speakers, and car audio systems 【Plug & Play】: Experience instant music playback from your USB drive with simple plug and play functionality; easily adjust volume using the convenient rotary knob 【Remote Control】: Control your audio experience wirelessly with the included remote control for easy switching between modes and adjusting settings from a distance 【Design】: Crafted from ABS material in a compact size (8.4cmx10cmx2.8cm/3.31inchx3.94inchx1.10inch), this adapter is built to last while maintaining portability and stylish Specification: Material: ABS Size: 8.4cmx10cmx2.8cm/3.31inchx3.94inchx1.10inch Package Includes: 1 Digital to Analog Audio Converter 1 Remote Control Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.