1,Brain Tuners are based on brain wave studies using electroencephalography (EEG) technology to map different states of consciousness known as Delta, Theta, Alpha, and Beta.
2,The Brain Tuner Tuning Fork Set is made from high quality Aluminum Alloy which is heat treated giving them a very pure tone.
3,The product includes forks 256, 259, 262, 267 and 271 hz for Delta, Theta, Alpha, and Beta waves.
4,Delta is associated with deep sleep.
5,Theta is associated with meditation and dream states.
6,Alpha is associated with relaxed awareness, creativity, and heightened learning.
7,Beta is associated with high alertness and focus.

【Accurate Frequency】Each tuning fork is hand-tuned to an accuracy of /- 0.25% or better.
【Multiple Options】A variety of options to meet your different needs. Delta is related to deep sleep, Theta is associated with meditation and dream states, Alpha is associated with relaxed awareness, creativity, and heightened learning, while Beta is associated with high alertness and focus.
【Best Choice】Elegant in appearance and thoughtful in design, the tuning fork set is perfect for the upcoming holiday season! A perfect option for the mindfulness or meditation enthusiast.

Package list:
1 x Tuning Fork Set

Notes:
>1.To keep the tuning fork more accurate, please do not tap it with metal.
>2.Please keep the wooden striker dry and away from sunshine before and after use.
>3.Please allow 1cm error due to manual measurement.Pls make sure you do not mind before you purchase.

1. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your
2. possession more than 7 days, it will be considered used and WE WILL NOT ISSUEA REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS!Shipping cost is bear by both seller and buyer in
3. half.
4. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID.
5. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
6. We will bear all the shipping cost if the product(s) is (are) not as advertised.

1. 12 months Manufacturer's limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
   You agree to all of the above-listed policies upon ordering on aliexpress!

1. Our office hours are 9:00 a.m. to 6:00 p.m. (GMT+8) of Monday to Saturday.
2. And our office is closed on Sunday and public holidays (Peking) if you have any questions,please feel free to contact us on aliexpress message,we will try our best to reply your questions in 48 hours. during the holidays,for delay reply,we apologize deeply.