Specifications: Connection Interface: Bluetooth 4.0
Wireless frequency: 2.4 GHz frequency range
Wireless range: 32.8 feet (10 meters) in open area and 16.4 feet (5 meters) in office environment
Compatibility: Microsoft Windows 10 / 8.1 / 8, Must be Bluetooth 4.0 enabled
Battery: 2 AAA alkaline batteries (included)
Battery life: Up to 6 months
Video Resolution: Maximize efficiency with 3 displays (4K@60Hz) for spreadsheets, video editing, or trading screens. If you Need smooth; Dual DisplayPort 4K@120Hz delivers ultra-responsive performance for designers and gamers. Note: 4K@120Hz can only be achieved when using two DP monitors; and your laptop computer needs to support Thunderbolt 4
Ports Spec: System requirement:Processor: 1.2GHz or faster with support SSE2. RAM: 4 GB or more recommended for 2 or more display.> Graphics processor: Intel, AMD or NVIDIA GPU supporting Microsoft DirectX 10 or later with a WDDM driver. Matrox or SiS graphics are not supported. Compatible With: Legacy Windows XP - Vista/ Vista /7 / 8.1 / 10,Mac OS X 10.8 onwards,Chrome OS R51 onwards,Ubuntu 14.10 onwards Not Compatible With: Windows XP (64-bit ) and Surface RT.
Dimension: 4 x USB-A 2.0 2 x USB-A 3.0 1 x USB-B 1 x DC Power Input Port 1 x Microphone Input Port 1 x Audio Output Port 1 x HDMI 1 x DVI or VGA (through converter) 1 x RJ45 Gigabit Ethernet