K 82 Wireless Hearing Aid Sound Amplifier Coffee

1 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 Greater than or equal to 120dB 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 Voltage 1 5V AA 7 Current Less than or equal to 4mA