This HSK 2 edition includes all required vocabulary (150 words) to pass Level 2, Elementary Honors Chinese.

• includes real Mandarin audio recordings of each word
• uses an intelligent algorithm to review troublesome words
• other available versions include vocabulary for all HSK levels - 5000 words

From Wikipedia:
The Hanyu Shuiping Kaoshi, (simplified Chinese: 汉语水平考试; pinyin: Hànyǔ Shuǐpíng Kǎoshì), abbreviated as HSK, is the People's Republic of China's only standardized test of Modern Standard Chinese language proficiency for non-native speakers.

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