"Specifications 
Publisher  Merriam - Webster® 
Platform  Independent 
Media Type  Product Info 
   
Size  3 x 1.25 x 0.25 in 
Weight  0.4 oz 
USB Dictionary and Thesaurus offers the convenience of electronic file storage and instant access to 300,000 definitions and 500,000 synonyms & antonyms from Merriam-Webster® Dictionary & Franklin Thesaurus.
Preloaded with:

256 MB Total Memory*
Dictionary with 300,000 definitions
Thesaurus with 500,000 synonyms & antonyms
Phonetic spell correction allows you to enter a word the way it sounds, and your dictionary automatically provides alternatives for misspelled words - type in nolige and see knowledge.
Grammar Guide offers instant access to essential information on grammar rules and usage.
Confusables® function alerts you when one word might be confused with another (their vs. there vs. theyre) by providing spellings and meanings.
Crossword Puzzle Solver to determine missing puzzle letters.
eBooks and eNews Manager
Store:

Data
Photos
Music
Videos
*A portion of the memory in this USB Dictionary & Thesaurus is devoted to programs. Capacity for storage is less than that shown in the description.
 "