Amazon.com: HoRiMe Bluetooth Number Pad, Rechargeable Wireless Numeric Keypad Slim 34-Keys Aluminum Number Keypad External Data Entry Compatible for MacBook, iMac Windows Surface Pro etc : Electronics
Magic Keyboard with Numeric Keypad for Mac models - Apple
Numeric keypad - Wikipedia
YUNZII YZ21 Mint Hot Swappable Mechanical Numeric Keypad Num Pad