computer laptop mini keyboard usb2.0 key pad numeric keypad

- "↑ ← ↓ →" , Home, End, Ins, Del, PgUp and PgDn buttons work with Windows XP/Vista/7/8/10, however NOT with Mac O.S- The "Num Lk" button works with Windows XP/Vista/7/8/10, however NOT with Mac O.S compatibilityMac OSX 10.4 and above, Windows XP, Vista, 7, 8, 101. Add numeric keypad to existing keyboard, add three USB 2.0 ports to PC/Laptop for fast and comfortable data entry2. Easy to set up, plug and play, hot swappable3. Ultra-thin and compact; no driver required4. Compatible with: Mac OSX 10.4 and above; Windows XP, Vista, 7, 8, 10