Energy tuning fork 999 Hz 
Said to aid us in many ways.
This tuning fork uses this Nitrous Oxide(already present in our body) to give us energy and keep us relaxed. When we use this fork, we activate Nitrous Oxide and it gets released in small quantities in the blood stream and this benefit us in number of ways.It makes us calm and relax.Increase our energy level. 

999 Hz Tuning Fork