• After the huge success we achieved after releasing Atlas specialized dictionaries, we present you now Atlas "SD3900i", which contains the encyclopedic dictionary in addition to many specialized dictionaries such as: (Medical, Commercial, Law, Political, Military, Sports, Scientific, Civil Engineering, Agricultural Engineering, Electrical Engineering, Chemical Engineering, Computer, IT and Internet).
• In order to support the device technologically; it is equipped with an advanced search engine that enables the user to know the meaning of any word in any specific field. Furthermore, it contains 12 languages dialogue that grants the user the chance to communicate with others while traveling worldwide.

Dictionaries Bilingual dictionaries such as: Atlas Modern Dictionary (E-A), Arabic-English dictionary and Collins (E-E) dictionary, with thousands of new words and definitions and clear human pronunciation. The ability to add favorite words from the available dictionaries to your learning list. Specialized Dictionaries 19 specialized dictionaries covering several topics of various fields. Including new "Engineering Dictionaries" added to meet the urgent desire of learners' needs in this field such as: civil, architecture, electrical and many others. Besides, a computer, internet and IT dictionary. Global Search The Global search engine shows, for the first time, real integrated dictionaries. Several artifact talking engines in both English & Arabic languages make this device unique. Speak Talks in Arabic and English. Grammar The mostly used vocabulary in English language & their Arabic meanings are available. In addition to the twelve languages dialogue & interactive English to improve the user's language through reading and listening interactively. Learning the English phonetics by presenting the symbols of English sounds with examples and pronunciation. English grammar supported with level tests and advanced interactive language communication and pronunciation applications, with detailed explanation of punctuation marks. Games A lot of edutainment games. Miscellaneous Many useful applications such as: date, time and city, text reader and many others, plus an advanced organizer. Travel guide contains information about countries, languages and currencies to be at your fingertips anytime. The user can play MP3 files. Memory    The huge memory embedded inside the device Screen    High-definition LCD screen, 16 Levels Gray, 3.5" 240 x 160 FSTN. Device Dimension L108 x W81.6 x H22.8 mm. Batteries (AAAx2 - 1.5v).