Longman Contemporary Advanced Dictionary and other four copyright dictionaries can download thesaurus, intelligent oral evaluation, personal oral coach, two-way whole sentence translation, Chinese and English pronunciation, video teaching for special teachers, multimedia player, 2G large memory, support for SD card expansion, handwriting function and MP3 playback.

Cai Bo V699

Intelligent full-screen handwriting keyboard dual input Chinese and English dual writing interface 4G massive 3.5 inch 320*240 true color 32-bit high-speed processing chip USB2.0 high-speed download support SD or MMC card expansion Hi to FI MP3 player HD MP4 NES large game download basic dictionaries: English-Chinese dictionary, Chinese-English dictionary, idiom dictionary, encyclopedia illustration, word illustration, Chinese character dictionary, cultural dictionary, advanced dictionary, Authoritative dictionary of cookbook dictionary: Longman Contemporary Dictionary, Longman Double Interpretation Dictionary, Chinese-English Dictionary, Modern Chinese Dictionary, Ancient Chinese Dictionary and Longman New Download Lexicon: download more than 700 synchronized vocabulary contents, and the contents are constantly updated. English dictionary spelling check and example query function, pronunciation in both Chinese and English. Professional dictionaries: download more than 100 professional dictionaries, and the contents are constantly updated. Learning modules: animation learning, multi-national dialects, synchronous teaching materials and counseling, mock exams, passing exams, comprehensive learning of listening and grammar, two-way translation, and correct pronunciation standards.

Of course, the functional quality is V699. Depends on which one you like. I recommend V699. Although the price is higher, it is much more powerful and comfortable to use.