There are over 250 million visually impaired people around the world . Following Braille path some companies have been trying to develop useful devices to facilitate their lives and make communication ways such us messenger, Maps .. more easier . So they can be any time in contact with their dears and friends .
The Dot Smartwatch connects to the smartphone via Bluetooth . animated with 4 dynamic cells the Smartwatch displays messages form any apps on the phone also the users can compose messages and send them using the buttons on the side . The importance of this digital tool compared to the previous headphones appears clearly if we start from the fact the sound is a way to help visually impaired people to communicate with the surrounding environment So the attach of headphones could be no more practical Or for privacy concerns .