Product: 1in2 HDMI Splitter — Duplicate / Mirror Only (Powered, USB MicroB cable included) Key benefits Duplicate one HDMI source to two HDMI displays simultaneously — ideal when you need the same image on two screens (conference rooms, retail displays, classroom demos). Transmits video and audio with no loss and no lag, keeping audio/video synchronized across both outputs. Compact, travelfriendly and plugandplay: no drivers required; powers via USB for simple setup without an external AC adapter. What it does Splits one HDMI input into two identical HDMI outputs (Duplicate/Mirror only — does not support extended/independent displays). Includes a USB to microUSB power cable; does not include a 110V AC power adapter. The splitter needs to be powered via USB. Compatibility and performance Supports up to 4K Ultra HD (3840 x 2160) and 3D. Note: 4K output is limited to 30 Hz (4K@30Hz). Supported resolutions: 4K@30Hz, 1080p@50/60Hz, 1080i@50/60Hz, 720p@50/60Hz, 480p@60Hz, 480i@60Hz, 576p@50Hz, 576i@50Hz, 1080p 24Hz 3D, 720 60Hz. HDMI versions supported: HDMI 1.3 / 1.4. HDCP compliant (version 1.2). Not compatible with HDCP 2.2 — some protected 4K content may not play. Supports deep color (30bit and 36bit) and common resolution audio formats: DTSHD, Dolby TrueHD, LPCM 7.1, DTS, Dolby AC3, DSD, HD (HBR). Physical and practical details Size: 2.5 x 2.1 x 0.5 inches / 6.3 x 5.3 x 1.2 cm (L x W x H). Lightweight and portable for travel or temporary installations. USB microB cable included for power. The unit does not come with a 110V AC power adapter — use a USB power source (power bank, USB port on a TV, or USB wall adapter). No external software or drivers required. Seller recommendation: use HDMI cables up to 25 ft (maximum recommended length) for reliable signal transmission. Limitations and important notes Duplicate/mirror only — cannot extend desktop across displays. Not compatible with HDCP 2.2protected sources. 4K output limited to 30 Hz; ensure source and displays support the chosen resolution and refresh rate. Example use scenarios Conference room presentation: mirror a laptop to both a projector and a TV so inroom and overflow audiences see the same slides at the same time. Retail or trade show signage: display the same promotional video on two screens in different parts of a booth without separate media players. Home entertainment: mirror a streaming player or Bluray player to a TV and a secondary display (note HDCP 2.2 incompatibility may block some protected 4K streams). What's included 1 x 1in2 HDMI splitter (powered) 1 x USB to microUSB power cable Specifications summary Function: 1 input → 2 outputs (duplicate/mirror) Power: USB powered (microUSB cable included); no AC adapter included HDMI: v1.3 / v1.4 HDCP: version 1.2 compliant (not HDCP 2.2 compatible) Max resolution: 4K (3840x2160) @ 30Hz Deep color: 30bit, 36bit Audio support: DTSHD, Dolby TrueHD, LPCM 7.1, DTS, Dolby AC3, DSD, HD (HBR) Dimensions: 2.5 x 2.1 x 0.5 inches / 6.3 x 5.3 x 1.2 cm Use this splitter when you need a reliable, portable way to mirror one HDMI source to two screens with full audio support and simple USB power.