The ECTACO Partner EE800 is a bidirectional English - Czech, English - German, English - Polish, English - Russian, English - Ukrainian electronic talking dictionary (2,500,000 words). It performs Instant reverse translation and advanced voice synthesis for English, German, Polish, Russian languages for any word or text (powered by the latest Text-to-Speech technology). The Audio PhraseBook delivers native-speaker human-voice output in English, Czech, German, Polish, Russian and Ukrainian for over 84,000 pre-recorded phrases. It also provides the different responses you might receive in the ""You May Hear"" section. English, German, Polish, Russian speech recognition (speech-to-speech travel phrases translation). It Add new word function allowing creating your own vocabulary, Look-up function, Vector Ultima spell-checker, slang lock, advanced word recognition and MorphoFinder and Phonetic transcription. 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, Translation Test. Media Player with MP3 support. Thousands of Audio Books can be programmed into this MP3 player. 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.