900 In-Ear Ear Sound Voice Amplifier Hearing Aid - Light Brown (1 x A312)
Model 900 Color Light Brown Material ABS Quantity 1 Power 1.4V Functions Help hearing-impaired to raise the audition and hear voice and do barrier-free communication with others Wearing Mode In-ear Maximum loudness 130 dB Sensitivity 4 dB Frequency response 100~3000 Hz Noise <=25dB Features Powered by 1 x A312 battery (included) Packing List 1 x Hearing aid 2 x Replacement ear buds 2 x A312 batteries 1 x Brush 1 x Protective case 1 x English user manual