4-Way R L Stereo Audio Switcher - Bi-directional switching splitter audio sharing active speakers, audio selector providing clear and distinct sound. Switch Button - 4-channel switching button, easily switch between audio in or out, fully isolated circuits, ensuring each signal is not affected by the other three channels. Plug and Play - The 4-port R L stereo audio switcher requires no external power supply, and audio quality is not affected! Compact Design - The 4-way audio switcher measures 11cmx9.5cmx4.5cm/4.33inchx3.74inchx1.77inch, with an iron metal casing, compact size, and design, suitable for home and office use. Wide Compatibility - L R audio channel audio switcher designed for all types of audio amplifiers, DVD stereo speakers, players, game consoles, TVs, headphones, etc. Color: Black Material: Aluminum Alloy Size: 11cmx9.5cmx4.5cm/4.33inchx3.74inchx1.77inch Package Contents: 1 * Audio Switcher 1 * Audio Cable 1 * English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3cm.