NEW 2.4G Wireless Mechanical Numeric Keypad Red Switch Gaming Keypad 21 Keys Portable Keypad Extended Layout Black|Keyboards NEW 2.4G Wireless Mechanical Numeric Keypad Red Switch Gaming Keypad 21 Keys Portable Keypad Extended Layout Black|Keyboards Mini design (20%) 21 Keys 2.4G Wireless keypad is here.Its num lock function is independent of any other keyboard that are currently connected.The mechanical switch keypad can ensure a fast response. Plug & Play.The 2.4G signal with strong and powerful connectivity can make sure that the Nano receiver instantly connect the keypad with computer's USB port. Compare with the other standard keypad, the 21 keys extended some keys at the top, contain Esc,Tab,Back Space,and FN keys. 21 keys mechanical numeric keypad is suitable for laptop users,banking, financial securities, business workers or Used with 87 keyboards, 82 keyboards, 68 keyboards, 61 keyboards and other keyboards without numeric section. 21 keys enhanced mechanical numberic keypad has 17 numeric keys and 4 additional keys,including "tab""esc""¡û"and "FN". By simultaneously pressing the FN key and another key, you can input parentheses, an equal sign, currency symbols, or activate the calculator. product feature Switch: Cherry MX Red Switch products weight: 160GR key travel: 2.0mm Actuation Force: 45+/-20cN Keyboard size is 127 * 86 * 42mm Colour: Black material: plastic Package Contents: 1 * Wireless numeric keyboard Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.