The ECTACO Partner ECz800 is a bilingual English <-> Czech electronic talking dictionary and travel audio phrasebook. It features both state-of-the-art English speech recognition and highly advanced English voice synthesis powered by the latest Text-to-Speech technology. Native-speaker voices for both languages in the Audio Travel PhraseBook section as recorded by professionals. General English - Czech - English dictionary over 525,000 words. It performs Instant reverse translation and "Add new word function allowing creating your own vocabulary. It has Look-up function, Vector Ultima spell-checker, slang lock, advanced word recognition and MorphoFinder, Phonetic transcription. Advanced English speech synthesis delivers the pronunciation of any text, not only dictionary entries. WordNet Princeton edition English-English dictionary of modern English - over 70,000 head words and details explanations. SAT 200 and SAT 5000 vocabularies for English-language standard proficiency tests. Linguistic games: Flash Cards, Pockets, Spell It and Translation Test: expand your vocabulary and improve spelling. The Audio PhraseBook delivers real human-voice output in English and Czech for over 14,000 pre-recorded phrases. It also provides the different responses you might receive in the "You May Hear" section. Czech voice is only for the built-in phrases. Superb English speech recognition, allowing the machine to fine-tune to an individual user’s voice an excellent language study tool and source of rewarding infotainment. Media Player with MP3 support. Other functions: currency and metric conversions, world time, daily alarm, calculator. You can easily add other languages electronic dictionaries and audio phrasebooks by acquiring corresponding ECTACO 800 MMC Cards. This device is powered by AC/DC adapter and Li-Polymer rechargeable battery (3.7V, 1400mAh) included in the package.