Invisible watch hr put the earpiece in the

put the earpiece in the ear

Very easy to use

1) save an audio file (it supports mp3 files) on the watch

You can buy filters separately if you want to upgrade your existing Watch for Easy Studying V

-File Sorting

Invisible watch hr put the earpiece in the24Kupi is bringing you an innovative INVISIBLE technology! Introducing the Invisible Watch. We have created a new generation of the invisible screens on the watches, making it look dark this way the watch looks like it's OFF, so no one will notice you. We created a unique polarized eyeglasses that allow you to see the content on the dark screen this way only YOU will be able to see the hidden content on your watch. To everybody around you the watch