Welcome to our store！</br> 1、4 KEYS 1 KNOB: PC Keypad with knob allows users to perform more complex operations by adjusting the volume, screen brightness, or other related settings with the knob to enhance the user experience. 2、CUSTOMIZABLE MACRO PROGRAMMING: The keyboard supports customizable macro programming, which allows users to bind frequently used operations or specific commands to the keys to perform multi step operations with one key, improving work or gaming efficiency. 3、HOT SWAPPABLE: The keyboard supports hot swappable technology, which allows you to replace keycaps or switches at any time, eliminating the need to worry about the adaptability of the keyboard to different gaming or usage needs, and quickly adapting to a variety of scenarios. 4、BLUE SWITCH: Mechanical keyboard adopts blue switch design with distinctive touch, fast feedback and durability, which provides a strong competitive gaming experience by performing click and quick combo operations in games. 5、FLEXIBLE ARRANGEMENT: The keyboard adopts key and cable separation design, which allows users to arrange the keyboard lines more flexibly according to their own usage habits, reducing cable bunching and better organizing the desktop. <p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Mini&nbsp;4&nbsp;Key&nbsp;Keypad&nbsp;with&nbsp;Knob Material: Acrylic Connection:&nbsp;Wired&nbsp;Connection&nbsp;(Keyboard Line Separation) Cable Length: Approx. 1meter / 3.28ft<style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Mini&nbsp;4&nbsp;Key&nbsp;Keypad1 x Data Cable 1 x USB&nbsp;Flash&nbsp;Drive 1 x User Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>