Alfa Rhythm Ltd - 9-13 Hz Device
The device helps you balance your brain waves and leaves you in an alpha state:  Alert, calm and focused.

This device gives you an optimal effect, when you decide and desire to be in that state, while sharpening your senses and enhancing your functionality. This device sends rapid frequencies 9 Hz and 13 Hz.

The studies show that using the device activates and balances producing of the what called the dynamic wave , that help you to be focused and calm.

The device is recommended for all ages and may help specially people who suffer from lack of concentartion and focusing, depression and phobia. 

TCD9/13 Device - ADHD
TCD13 Device - Anxiety, Stress & depression