Features: Easy installation and simple operation. Just a light press is needed to mute the device; very useful under special conditions. Plug and play; No power supply and other software required; Does not affect sound quality. Analog signal maximum support 2V p-p input and output. Input and output frequency range: 20Hz ~ 20KHz. Use standard audio cable, input transmission distance up to 8 meters, output transmission distance up to 8 meters. Compact and super mini size; Easy to place and suitable for your desktop and office. Super small size: 78 * 50 * 20 mm / 3 * 2 * 0.79 inches. 2(1)-in-1(2)-Out RCA Stereo: Audio switch, R/L Stereo Audio Switch AB switch, R/L Stereo Audio Switch Splitter 2 x 1/1 x 2, with Mute button and no external power required. L/R Stereo Audio Bidirectional Switch: This is a bidirectional switch for L/R channel audio ports. L/R Audio selector designed for customers who have multiple audio sources and outputs. Main functions: u2460 Select audio input between 1 and 2 with 1/2 switch and get one output; u2461 Select audio output between 1 and 2 to receive one input; How to use: u2460 Connect two audio sources (such as CD player/computer) to 1/2 ports and one audio output (such as speakers) to the IN/OUT port; u2461 Connect one audio source to the IN/OUT port and two audio outputs to the 1/2 port; Specifications: Application: Computer, Microphone, Monitor, DVD Player, Projector, TV Type: Audio Cable Connector-B: RCA Connector-A: RCA Model Number: Audio Bidirectional Switch Gender: Female-Female Package includes: 1* L/R Stereo Audio Bidirectional Switch 1* L/R stereo cable (1.5m)