The Majestouch "Ten" Key USB keypad has the same metal plate mounted "soft tactile feel" key switches of your favorite Majestouch keyboard in a neat ergonomic package that is a great time saver for laptop users and pairs nicely with any existing FILCO "Tenkeyless" keyboard. USB interface. 22 Key Extended Layout; includes Esc, Tab, Back Space, and "=" keys. Independent NumLock (keypads NumLock won't affect keyboards NumLock and vice versa). Cherry MX series 2.1oz actuating force keyswitches with tactile feel and silver/gold contacts; aka "Cherry Brown Switches", 4.0mm travel, 50 million actuations. Blue LED.