Hearing Aid เครื่องช่วยฟังขยายเสียงรบกวน เครื่องช่วยฟังแบบชาร์จแบต
คุณสมบัติเด่น / รายละเอียดสินค้า:
The amplifier is comfortable in either of the ears. It has a full digital tone quality for low audio distortion and clearer voice. It also has a noise reduction feature that helps the user hear with maximum clarity.
Specification
Not suitable for people with heart disease, suppurative otitis media, cardiac pacemaker and ear skin ulceration and etc.
HIGH QUALITY SOUND AMPLIFIERS: | precise quality behind the ear sound amplifier for those who require high quality amplification. |
EASY-TO-USE: | Our amplifiers are constructed user-friendly, with easy on and off button and volume control that allows the user to make accurate adjustments in no time. |
COMFORTABLE: | These amplifiers perfectly fit behind the ears of both men and women. They are small in size and lightweight and can be comfortably worn whole day long. |
Battery: | 1.2V. |
Working Current: | ≤3mA. |
Signal to Noise Ratio: | ≤28db. |
Frequency: | 100-4000HZ. |
Gain: | 30dB. |
Distortion: | ≤6%. |