Features 1、BT5.0 Connection: This wireless number pad adopts BT5.0 wireless connection technology to provide dependable wireless connection which is stable and quick in response. 2、18 Keys: This numeric keypad adopts 18 keys(including numeric keys and function keys) and compact structure, offering comfortable hand feel and reducing pressure on wrist. 3、High Accuracy: This wireless keypad adopts physical keys that can reduce errors and increase input accuracy at the same time, and the keys are sensitive, stable and quiet. 4、Wide Application: This wireless numeric keypad is suitable for accountants, developers, financial personnel and other professions that require a lot of numbers input on computers. 5、Battery Powered: This number pad is easy to connect, and it's powered by 1 piece of AAA battery(battery no included), offering more convenience. Specification Item Type: Wireless Number Pad Material: Plastic Cement Battery Type: Zinc Manganese Battery (Battery Not Included) Battery Model: AAA Number Of Battery: 1 Product Size: Approx. 14 x 2 x 9cm / 5.5 x 0.8 x 3.5in ( Manual Measurement, Slight Error May Exist ) Package List 1 x Wireless Number Pad