Feature: 1. [3 PORTS HD MULTIMEDIA INTERFACE SWITCH]: 3 inputs and 1 output, suitable for various HD multimedia interface devices, such as for Xbox 360, for PS3, for PS4, for Wii, for Beamer, for DVB receiver, HD player, TV, laptop, HDTV and HD monitor, computer, etc. Intelligent, manual operation with key switch function to avoid constant plugging and unplugging. 2. [4K HD RESOLUTION VIDEO AND AUDIO]: HDTV 4K (3840x2160P) at 30Hz resolution, compatible with HD multimedia interface 1.4, support 3D display. Just connect your HD multimedia interface device to enjoy high resolution video and audio. 3. [HD MULTIMEDIA INTERFACE INPUT AND OUTPUT]: The 24K gold plated connector is corrosion resistant, reduces discoloration, and improves transmission performance; it is suitable for home, school, office, etc. There is no distortion in audio and video, and no delay in signal transmission. 4. [PLUG AND PLAY]: Provide a fixed HD multimedia interface cable (pigtail), plug and play, no additional power supply. The HD multimedia interface switch will automatically obtain power from the source device through the HD multimedia interface port. 5. [NOTE]: Only applicable to some devices, when their HD multimedia interface port cannot provide enough power to make this switch work. You need to connect three source devices to the input ports. To obtain 4K 3D video, all devices connected to the switch output must support 4K 3D. Specification: Item Type: HD Multimedia Interface Switch Material: ABS Input DDC Signal: 5volts P-P(TTL) Maximum Single Link Range: 4Kx2Kat30Hz Output Video: HDTV 1.4B Vertical Frequency Range: 50 And 60Hz Video Amplifier Bandwidth: 3.4Gbps 340MHz Interlaced (50 And 60Hz): 4Kх2K Progressive(50 And 60Hz): 4Kх2K Multi Function Switch: Smart Or Mechanical Support HDTV 1.4B. Support The Highest Video Resolution 4kx2k At 3048 Support 340MHz / 3.4Gbps Peschannel (10.2Gbps All Channels) Bandwidth. Supports 12 Bits Per Channel (36 Bits For All Channels) Dark HDCP Pass. Supports Uncompressed Audio, Such As LPCM. Support Compressed Audio, Such As for DTS Digital, for Dolby Digital (Including DTS-HD And for Dolby True HD). Package List: 1 x HD Multimedia Interface Switch1 x Manual