Humanware Brailliant BI 40XThe NEW, future ready 40 cell refreshable braille device is designed with connectivity and productivity in mind. With the introduction of Bluetooth 5 Wireless technology the Brailliant BI 40X is the first to market braille display to take advantage of the robust and reliable connection, allowing for a pairing that is 2x faster and capable of 4x the distance over previous Bluetooth technology. The Brailliant BI 40X connects to multiple devices at once