TESmart (Tesla Smart) is a Chinese electronics manufacturer based in Shenzhen. TESmart makes a KVM switch that enables a computer to switch its screen from one display to another display; it has two keyboard and mouse ports, hdmi input and output and ethernet. There are different KVM switches that enable use with up to four computers. TESmart also makes HDMI with fiberoptics. TESmart makes USB Type c adapters for HDMI and VGA output.