This recorder has large storage capacity, without loss of data even if power off, and easy to use.

具有存储容量大，断电不丢失数据，使用方便等优点。

youdao

This recorder has large storage capacity, without loss of data even if power off, and easy to use.

具有存储容量大，断电不丢失数据，使用方便等优点。

youdao