I know it's not a hardware solution but check out this Chrome extension: https://chrome.google.com/webstore/detail/typingdna-authenticator/gmohoglkppnemohbcgjak

I know it's not a hardware solution but check out this Chrome extension: https://chrome.google.com/webstore/detail/typingdna-authenticator/gmohoglkppnemohbcgjakmgengkeaphi https://chrome.google.com/webstore/detail/typingdna-authenti... It protects your keys with your typing pattern.