Dot is the first Braille watch compatible with Smartphone Android and Iphone.The clock has 24 actuators / sensors distributed in groups of 6 to form 4 simultaneous braille characters, the speed of reading is marked by the user in his finger movement.The clock allows displaying information such as time and allows you to set alarms or use a stopwatch. Additionally, the Dot clock allows to represent through braille the different notifications associated with the applications of a Smartphone such as Facebook, mail and others.Dot is connected via Bluetooth to the Smartphone in a simple way and its battery has a capacity of 400 mA / h sufficient for use for about a week.The watch has interchangeable straps and there are versions in different colors.