Item Name: Wireless Numeric Keypad Number of Keys: 18Keys Interface: Wireless 2.4G Voltage: DC 1.5V Color: Black Case Material: ABS Dimension: 14*8.5x2 cm Keycaps Life: More than 10 million times Operation Range: 10M (Without signal disturbance and no direction limit) Power: 1*AAA Battery (Not Included) System Support: Windows XP/7/8/Vista, Linux, Mac os 9 etc.

• 100% Brand new and high quality Compact, comfortable to use and easy to carry Help you to handle with numbers more professional and efficiently wherever and whenever
• Keyboard comes with 18 keys of 0-9 number keys, Del, Enter, Num Lock, Backspace, + - * / Simple plug and play, no driver installation requirements Wireless transmission, fast and sensitive, up to 10-meter working range
• Best for Notebook users who always work with number keys / mini digital keyboard "Num Lock" key, switch to the number(0-9) function and other functions.

100% Brand new and high quality Compact, comfortable to use and easy to carry Help you to handle with numbers more professional and efficiently wherever and wheneverAdvanced Living