Ultra Mini Portable 3 * Input 1 * Output HDMI1.4 Intelligent Switch Switcher Box 3x1 Auto Switcher Selector 3D This mini portable HDMI amplifier switcher not only has the key-press-switching function, but also has intelligent function. It can easily switch any one of the three routes high definition (support multiple resolution, the maximum resolution up to 4K * 2K) videos sources and digital audio to any one HD display, Monitor or projector with HDMI interface, and this switcher supports HDMI1.4b. These three input HDMI are auto switching. It is perfectly compatible with HD-DVD, SKY-STB, for PS3, Xbox360, HD player, etc.Function introduction: Once the source device is turned on or plugged in (should stay power-on mode), the switcher will automatically select this source. Once the source device is turned off or pulled out, the switcher will automatically select the next power-on source depending on the sequence automatically (input1 > input2 > input3).Note: 1) When the source device are on the standby mode, its power supply should be turned off, otherwise this switcher can not meet intelligent function. 2) When plugged in or out, the switcher is completely intelligent. Features:Multifunctional on switching: Intelligent or mechanical.Supports HDMI1.4b. Support high definition resolution 4K * 2K @ 30. 1080P and 3D.Support 300MHz / 3.0 Gbps per channel bandwidth.Support 12bit per channel (36bit all channel) deep color.Support uncompressed audio such as LPCM.Support compressed audio such as DTS Digital, Dolby Digital (including DTS-HD and Dolby True HD) . Automatic switching or manually press the button. With compact portable design, and no external power supply needed, powered by HDMI device. Specifications: Input: 3 Standard HDMI portsOutput: 1 Standard HDMI portItem color: BlackMain item size: 5.2 * 5.2 * 1.3 cm / 2.05 * 2.05 * 0.51inMain item weight: 26g / 0.94ozPackage size: 11.0 * 10.0 * 2.0 cm / 4.33 * 3.94 * 0.79inPackage weight: 43g / 1.52ozPackage list: 1 * HDMI amplifier switcher1 * English User Manual