MC-56AG 2 in 1 Numeric Keypad & Calculator, 29 Keys Mini 2.4G USB Wireless Calculator with LCD Display, Switch by Pressing PCCal, Ideal for Office, Black

["2-in-1 Numeric Keypad & Calculator with LCD display and USB receiver.","Specially designed with PC/CAL key. You can switch and use it as wireless numeric keyboard or calculator freely.","Solar power (must in the sunlight): no need to load battery when ONLY use it as a calculator. If you use it as a numeric keyboard, you should put in 2 AAA batteries(not included).","Wide Compatibility: Small size. Compact and lightweight. xp / Vista / 7 / 8 / 10, Mac OS 10.3.9 and above.","29 keys design, moderate size: ideal for office. Effectively improve your work efficency."]