[Portable and lightweight design] Our Youku recorder is made of small and lightweight materials, which is portable and easy to carry anywhere.[Noise reduction design] This recorder adopts original professional chip and is equipped with noise reduction function. So you can record as clearly as possible without being disturbed by environmental noise.[One-key recording function] This machine is equipped with one-key recording function, which can get rid of the tedious operation of the old-fashioned recorder and save your precious time. For people who dont know how to machine, even beginners, seniors, etc.[Long use time and multiple functions] It can record continuously for 20 hours, and the recording distance can reach 10 meters, bringing you high-quality recording effects; in addition, this project not only supports recording, but also can be used as an Mp3 player. To meet different needs, listen to recordings or music.[Password Protection Wide Application] This voice recorder adopts a password protection design, which can help you protect your privacy. This tape recorder can be used to record your lectures, classroom learning, business negotiations, entertainment and tourism, etc. It is suitable for students, doctors, lawyers, writers, journalists, businessmen, etc.