Key Features

Work and Learn > Mantis Q40 Braille Display

  • Full-size QWERTY laptop-style keyboard and built-in 40-cell refreshable braille display
  • Connects to any device via Bluetooth or USB - Supports up to 5 Bluetooth connections at once, along with one USB connection
  • Pairs with user’s screen reader and computer, smartphone or tablet, or other devices that support braille such as the Apple Watch or Apple TV
  • Functions as another device’s keyboard when connected via USB or Bluetooth, or as a stand-alone device when not connected
  • Also contains applications such as basic editor, book reader, calculator, clock and file manager utilities
  • Toggles between QWERTY and Perkins-style input when using the onboard smart applications only
  • Compatible with Windows 8 and above (Windows 10) using JAWS 18 and later, NVDA, and Narrator
  • Compatible with macOS Catalina 10.15 and later, iOS 13.5.1 and later
  • Not supported at this time for Android or Chrome devices
  • Supports .doc, .docx, .txt, .brf, and .brl files
  • Standard SD card slot to accommodate SD memory card up to 64GB
  • USB host port for thumb drive
  • 16 GB of internal memory
  • Includes USB-C charging cable with power supply
  • 15 hours of battery life with rechargeable, removable batteries.
  • Dimensions: 17 x 29 x 2 cm 
  • Weight: 0.77 kg
  • If user is running JAWS 2020, ensure it is the latest update which the Mantis driver is included. To install the Mantis driver for JAWS versions earlier than 2020, simply download and run the Braille Terminal Tools application available at https://www.aph.org/product/mantis-q40.


Mantis Q40 device in black with built-in QWERTY keyboard and 40-cell refreshable braille display. The fonts on the keyboard as well as the pins on the braille display are in white. The device sits on a TPU case in green.