The Seiko ER6700 Concise Oxford Dictionary/Thesaurus is a compact and reliable electronic dictionary that provides instant access to the Oxford Dictionary and Thesaurus. It features a comprehensive database of over 240,000 words and phrases, including definitions, synonyms, and antonyms. The device also includes a crossword solver, an anagram solver, and a word builder, making it a versatile tool for word games and puzzles. With its durable construction and easy-to-use interface, the Seiko ER6700 is a great companion for students, writers, and anyone looking to enhance their language skills.