Description: FunctionWireless receiver adapter for stereo stream music from smartphones/tablet/computers/ to your home stereo/ retro speaker/car stereo system.Multipurpose InterfaceWireless audio adapter supports RCA / 3.5mm jack / quick connect, and also supports a USB drive to play music.FeatureWireless 5.3 Music Receiver featuring the latest Wireless 5.3 and comes with superior high resolution audio streaming, low background noise, low distortion, and rich sound that retains a full dynamic rangeSize InformationWireless Receiver and Transmitter Adapter measures approx 10cmx7.5cmx2.5cm/3.94inchx2.95inchx0.98inchAUX Wireless Wireless adaptereasy to set up, pairs quickly, and automatically reconnects to the last paired device, suitable for home, car, travel, or outdoor activities. Size Chart: approx 10cmx7.5cmx2.5cm/3.94inchx2.95inchx0.98inch Package Includes: 1 Wireless Receiver Audio Adapter Note: Please allow slightly errors due to manual measurement and different monitors.