Fangrui Product Details Wireless Mini 18-key Number Keyboard:thenumeric Keypad Offers A Blend Of Vintage Charm And Modern Typewriter Style,pastel Color Scheme,cute Number Key, Retro Round Keycaps. Enjoy A More Enjoyable Typing Experience With This Eye-catching Retro Typewriter. Multi Function 18 Key Number Pad Has Notebook Key Layout, With Backspace Key, More Convenient For Input And Correction, And Effectively Improve Work Efficiency. Bluetooth Wireless Vintage Typewriter Numpad: The Wireless Typewriter Numeric Pad Has Both 2.4ghz Wireless And Bluetooth Connection. Freedom-fast Data Transmission, No Delays,dropout Or Flashback,no Device Drivers Needed,fast Data Transmission. Its Wireless Distance Up To 10m(33ft). The Number Keyboard Come With A 2.4ghz Receiver And 1 X Aaa Battery. Multi-device Wireless Number Keyboard For Multi Os: The Wireless Office Retro Keyboard Connects Via Bluetooth On , Android, Or Ios Systems, Supports All Kinds Of Devices Including Pad/pc/laptop/tablet/smartphone. Colour:white Material:plastic Pack