What is Islets Of Langerhans
A small group of cells in the pancrease which acts as endocrine gland is called islets of langerhans.
But when buying this device, you must first of all decide what you are buying it for. For in fact, all “readers” are divided into two classes according to the type of screens – this is Elink (electronic ink) and all the others. The first ones are created exclusively for reading, since the information display technology in such screens is as close as possible to the printed text. Such displays are safe for the eyes, do not cause fatigue and dryness of the eyes. Secondly, readers based on such a technology consume very little energy, and, accordingly, they can be recharged literally once a month.