exclusive earphone for language learning

First por language learning equipment in the world.The sound of cassette tape and users own voice can be heard at the same time.Listening ones own voice helps memory works to be effective in learning ..

Exclusive Earphone For Language Learning

A users voice as well as the sound from the cassette could be heard through the earphone. A light on the case of an earphone glitters whenever a users voice is recognized to excite him or check if ..