USB 3.0 to Dual HDMI Adapter External Video Supports Windows Only - Features: HIGH RESOLUTION SUPPORT: Add astonishing picture quality through the USB 3.0 port of your computer by supporting video resolutions up to 4K at 30Hz. NO POWER SUPPLY NEEDED: Connect the 4K UHD dual monitor adapter directly to your computer without requiring an additional power source. WINDOWS ONLY: This USB 3.0 to Dual HDMI Adapter is compatible with Windows operating systems and does not support Mac devices. Specifications: Supports Windows 7 / 8 / 8.1 / 10, XP (32-bit), Vista (32-bit). Supports 1 USB input interface. Supports 1 channel 3.5mm stereo o output. Supports 2 HDMI output interfaces. Output resolution up to 1920x1080p 60Hz. Compatible with USB 3.0 and USB 2.0 interfaces. Material: Metal. Product dimensions: 60x15x175mm. Package includes: 1x Adapter, 1x User Manual.