Amazon.com: USB Number Pad, Kadaon 19 Keys Waterproof Silent Numeric Keypad with Mini USB Cable, for Laptop/Notebook, Compatible with Windows System : Electronics
Amazon.com: iClever Number Pad, 2.4G USB Keypad, Numpad with USB-C Rechargeable, Metal Built, Ultra Slim, 22 Round Keys, Wireless Number Pad for Financing Accounting, Laptop, Mac, iMac, Notebook, PC Desktop : Electronics