LogicKeyboard Braille Bluetooth, MAC & PC

Specifications: 78 (ANSI) / 79 (ISO) keys Wireless Bluetooth Keyboard Suitable for Apple iPad and iPhone or PC for Windows Version Bluetooth version 3.0 Operating distance: Up to 10 m ~ 32,8 feet Type X-switch structured keyboard 2 x AAA batteries Operating current: <4mA Operating voltage: <3,3V RF output power: 4dBm Max Dimensions:287 mm x 121 mm x 22 mm / 11.2 in x  4.7 in x 0.9 in Weight: 315 g ~ 11.1 oz Letter width 10 mm ~ 3/8“ Letter height 10 mm ~ 3/8"78 (ANSI) / 79 (ISO) keys Wireless Contents include:  Wireless Bluetooth Keyboard, 2 x AAA Batteries, Quick Setup Guide, Warranty information Logickeyboard has designed an innovative braille keyboard for the visually impaired. This keyboard will help blind users navigate a keyboard to make their lives easier. It can also assist users who are learning braille. The braille keyboard is uniquely crafted to be incredibly durable, outlasting any other braille solution.