Model No.︰KF-809A
Brand Name︰KFT
Country of Origin︰China
Unit Price︰US $ 9.8 / pc
Minimum Order︰100 pc
KF-809 USB Rechargeable Behind the ear hearing aid
CE certificate: 93/42/EEC ISO135485:2016
1、The glass helps to relax the eyeball muscle, and adjust eye focus.2、Theory is very simple: when the eyes can only look through the small holes, they naturally change focus to a relaxing standard, so that the eyeballs are relieved from the previous nervous focus.3、You can feel the relaxation once you ware it and afterwards.4、Good and simple eye relaxation for a large population whose job causes 5、tired eyes: students, teacher, white collar, computer users.. age from child to aged people, etc. |