this itemPlug Play - Using advanced 2.4GHz wireless technology, the wireless number pad will get connected to your computer as soon as you plug the USB receiver into the USB port. easy to use, no device drivers needed, no delays and dropouts, fast data transmission, and it has up to 33FT working range.Retro Punk Style Keycaps - The round keycaps are in a retro typewriter style with mixed colors.The bright colors are more eye-catching. Quiet - The round chocolate keycap is made according to the fingers, which is suitable for the size of the contact surface and usage habits, bringing a quiet input experience. Laptop Add-On - The Bluetooth 10 key keypad is the gift for bookkeepers working on , teachers entering grades, office workers for data entry, etc. Wide Compatibility - Wireless number pad works with PC, laptop and desktop computers that have 2000/XP/Vista/7/8/10 systems.Typewriter wireless numeric keypad combining retro style and modern design, with smooth edge technology and fresh colors, to provide retro visual enjoyment, cute number key with low profile whisper-quiet keys for a comfortable and smooth typing experience. function 18 key number pad has Notebook key layout, with backspace key, more convenient for input and correction, and effectively improve work efficiency. design, compact mini numeric keypad size 3.5x5.07x1.08 inch, weight 3.52oz, saving space and portability is very convenient.