--English - Vietnamese, Vietnamese to English, English to English, Vietnamese to Vietnamese--1 Year Warranty From Manufactory--Built in over 2,000,000 words--Real American Human Pronunciation--Syllable in real voice--15 Professional Dictionary (Architecture, Bank, Telecommunication, Cosmetology, Economics, Foreign Investor, Law, Math Physics & Chemistry, Mechanics, Medicine, Nautical Navigation, Physics, Real Estate, Stock, Travel)--Practical Dictionary, Phrase Dictionary --Power 2 Batteries AAA----------CONTACT ME AT YIM: lkhiettrinh