WIRELESS MINI 18-KEY NUMBER KEYBOARD:Thenumeric keypad offers a unique 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 Windows, Android, or iOS systems, Supports all kinds of devices including Pad/PC/Laptop/Tablet/Smartphone. Colour:White Material:plastic Package Contents: 1 x Wireless Number Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.