K-83 Wireless Hearing Aid Sound Amplifier, K-83 Option:K-83 Work temperature: -30 ~ +80

Work temperature: -30 ~ +80 Celsius degree

5 audio interface Compatible with VGA HDMI

Loading Container 20GP: 435 cartons * 140 pcs = 60900 pcs

Good air permeability

One Package Size 22cm * 17cm * 3cm / 8

K-83 Wireless Hearing Aid Sound Amplifier, K-83 Option:K-83 Work temperature: -30 ~ +801. Behind the ear hearing aid 2. Volume adjustable 3. Powered by 1 x AG3 battery (included) 4. Silicone earplugs in 3 different sizes, fit most ears 5. Help people with hearing impairment to hear sound and voice Technical parameters: 1. Sound output: 110+ 5dB 2. Sound gain: Greater than or equal to 30dB 3. Total Harmonic wave distortion: Less than or equal to 10% 4. Equiv Input Noise: Less than or equal to32dB 5. Frequency range: 300Hz~4000Hz 6.