Key features: 1. Intelligent search engine 2. Embedded three Oxford dictionaries & five Chinese-English dictionaries 3. Copyright Oxford MP3 pronunciation 4. TTS top pronunciation system, including Chinese and English sentence pronunciation. 5. Chinese and English sentences two-way translation 6. Cross-dictionaries searching 7. Support language SD-cards of Japanese, French, Germany, Spanish, Russian, Korean, with MP3 true voice pronunciation 8. Humanized design keyboard 9. Support MP3 10. E-book 11. Language repeater Hardware parameters: Model: S628 celebrities Size: 135 × 92 × 18 mm Weight: 190 grams ( without batteries) Battery: AAA battery 1. 5V × 2 ( section) LCD: 4 Inch 240 × 160 ( there is backlight) TF card support: maximum support 2G ( Fat16) Speaker: 24, 15 Mm Headset: 2. 5mm NAND Flash: 1GB User available area: 873MB PC-LINK: support for USB and PC communication.