Usage Tips:RCA Stereo Audio Bi-Directional Switcher With Mute Button Portable L / R Stereo Audio Switch Audio Splitter 2 X 1/1 X 2Features:Easy installation and simple operation.Only need to lightly press to mute the device; very useful under special conditions.Plug and play; No power supply and other software required; Won't 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 in.2(1)-in-1(2)-Out RCA StereoAudio Switch Audio Switcher, R/L Stereo Audio Switch Audio Switcher AB Switcher, R/L Stereo Audio Switch Splitter 2 x 1/1 x 2, with Mute Button and No External Power Required.L / R Stereo Audio Bi-Directional SwitcherThis is a bidirectional switcher for L / R channel audio ports. L / RAudio selector designed for customers having several audio sources and outputs.Main functions:Select audio input between 1 and 2 with 1/2 switcher and get one output;Select audio output between 1 and 2 to receive one input;How to use:Connect two audio sources (like CD player/computer) to 1/2 ports and one audio output (like speakers) to IN/OUT port;Connect one audio source to IN/OUT port and two audio outputs to 1/2 port;Specifications:Application: Computer, Microphone, Monitor, DVD Player, Projector, TelevisionType: Audio LineConnector-B: RCAConnector-A: RCAModel Number: Audio Bi-Directional SwitcherGender: Female-FemalePackage includes:1* L / R Stereo Audio Bi-Directional Switcher1* L / R stereo cable1.5m1* User manual