Doosl Hearing Aid Amplifier, USB Rechargeable Digital Hearing Assistance Aid with Noise Reduction, Voice Enhancer Aids with Charging Case, Universal Fit Behind the Ear for Adults Seniors Cordless Leaf Blower the curve of neck relaxer

the curve of neck relaxer matches the cervical spine

Frequency range: 20Hz-20KHz

Video format: AVI

JPEGVideo format: Support AC3

Doosl Hearing Aid Amplifier, USB Rechargeable Digital Hearing Assistance Aid with Noise Reduction, Voice Enhancer Aids with Charging Case, Universal Fit Behind the Ear for Adults Seniors Cordless Leaf Blower the curve of neck relaxerThis 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 comfort. Soft silicagel material, does not harm to your ear and also ensures wearing stability and lasting. Directly inserted into the recharging base for convenient USB recharging, and the indicator light can direct display the recharging status. This revolutionary hearing aids device is