If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. - Specially designed for hearing-impaired people, more suitable for the ear canal.
eBay
If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. - Specially designed for hearing-impaired people, more suitable for the ear canal.
eBay
This hearing device is designed for old people or people with hearing problems. Easy-to-wear design, conform to your ear shape, stable wearing and can ensures the comfort. Soft silica gel material, does not harm to your ear, and also ensure wearing stability and lasting.
eBay
If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. - Specially designed for hearing-impaired people, more suitable for the ear canal.
eBay
If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. - Specially designed for hearing-impaired people, more suitable for the ear canal.
eBay
If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. - Specially designed for hearing-impaired people, more suitable for the ear canal.
eBay
ADVANCED DIGITAL TECHNOLOGY FOR CRYSTAL-CLEAR SOUND: Experience enhanced sound clarity with 4-channel digital technology.
eBay
If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. - Specially designed for hearing-impaired people, more suitable for the ear canal.
eBay