Welcome to Grandtec USA

Grandtec USA has been serving the Education, Professional and Consumer markets for 18 years. We invent, design and manufacture specialty computer, audio and video peripherals, such as the world's first waterproof, sterilizable, non alergenic silicone based keyboards and mice.

We have over 100,000 VGA to video products in use in education and homes.

Take a look at our other unique computer, audio and video products crafted with Grand Technology from Grandtec by using the Products tab above.

Best Sellers

The Virtually Indestructible 2 in 1 Keyboard and Mouse

The Virtually Indestructible 2in1 Keyboard + Mouse is the next-generation model of the original Virtually Indestructible Keyboard.


The Virtually Indestructible Mouse

The Virtually Indestructible Mouse is a silicone-based optical mouse which features a unique combination of durability and comfort.

New Products

HDCP 2.2 to 1.4 Converter

With the advent of 4K, anything that will be broadcast will use the new HDCP 2.2 specification. If you have an older 4K TV that is not HDCP 2.2 compatible, you will not be able to enjoy this content. This converter will allow you to view 4K HDCP 2.2 content on your 4k DHCP 1.4 TV.


Featured Product

HDCP 2.2 to 1.4 Converter

With the advent of 4K, anything that will be broadcast will use the new HDCP 2.2 specification. If you have an older 4K TV that is not HDCP 2.2 compatible, you will not be able to enjoy this content. This converter will allow you to view 4K HDCP 2.2 content on your 4k DHCP 1.4 TV.