Features: Wired digital keypad with 23keys for Aigo N28 keyboards perfect for data entry and calculations. Made of durable ABS material, this lightweight keypad is designed to daily use and travel. Fit for accountants, financial analysts, students, and anyone who needs a reliable and efficient keypad for their work or studies. The usb numeric pad easy to get started, just plug and use; High quality with silent and comfort feeling. Specifications: Material:ABS Color:Black Size:Approx.135x87mm/5.31x3.42in Wire Length:Approx.135cm/53.15in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xUSB Numeric Keypad