<b><p>Easy to Use<br></b> ◆ Most devices in this category aren’t particularly small, but our one really stands out of the while line-up. Basically, it’s a tiny cubical item that would easily fit in your palm and literally doesn’t take any space. <br> ◆ HDMI switch hub supports Plug and Play.There is no external power required, the connection is made only via HDMI cables. <br> ◆ HDMI switcher just switch the signal, does not have external power supply, the input device must have electric current input then the HDMI works properly. (Most of the play devices with HDMI interface are connected with an external power supply,HDMI output interface will have electric current ).<br> ◆If the HDMI switcher does not work,please check your input device whether with external power,the use of the connection wire is consistent with the requirements of the standard wire. </p> <b><p>Features: <br></b> ●Easily switch a single HDMI video source between two displays (not simultaneously)<br> ●Fully supports HDMI features<br> ●Supports 3D, 1080P, 4k x 2k resolution and HD audio<br> ●Supports HDCP pass-through<br> ●No power source needed; plug and play functionality<br> ●Maximum operating current: 15mA<br> ●Manual select push button to alternate between modes</p> <b><p>Note:<br></b> This switch works best with HDMI cables that are 16 feet (5 meters) or shorter and 26AWG or better. Will not output to both displays simultaneously; select which one to use with the select button.</p>