best inventions #2017

Band sound waves for pregnant women
Hair iron works to lighten hair color
Now, any girl can become a blonde easily! The American brand "Pravana" issued a hair iron that reduces hair color in several minutes! More importantly, it is safer than the usual hair dyes!
An audio dictionary works via touch
Scientists from the National University of Singapore have been able to develop a dictionary that recognizes text via the "Touch-Hear text" technology. The device consists of two parts: a fingerprint sensor that is attached to the finger, and a speaker device attached to the ear. Once you touch a printed word in a book via the scanner, you can hear its meaning at the same time!
The mask of the skin is treated by nitrogene
The perfect skin mask that installs directly on the face to get out of it LED lights differ on the different purpose of the treatment!
Blue light to fight bacteria, red to reduce inflammation. It is advisable to put the mask every day for 10 minutes over a month to get the best result.