1x Health Ergonomic Vertical Mouse Mice Right Hand Relief Stresfree Shipping The Vertical Mouse features a patented shake that allows you to mouse in a "handshake" position, eliminating forearm twisting which reduces the stress of mousing. The Vertical Mouse also eliminates pressure on the carpal tunnel. . patented ergonomic design; color black CE FCC, supply security label for inquire, 1 year warranty ship by royal register mail shipping time is 7-9days