1 x voice amplifier
1 x LR44 battery
1 x English user manual
Style | In The Ear |
---|---|
Channel | 2 Channel |
Plastic material, beige color hearing aid, in-ear wearing mode, adjustable volume, 133 +/- 4 dB maximum loudness, 48 +/- 5 dB sensitivity, 300~4500 Hz frequency response, 30dB noise, 110 cm cable length, 1 x LR44 included power battery.