Key Features | - Machine Features: Max sound output: 130/5dB, Sound gain- Upto 50 dB, Total harmonic wave distortion- Upto 5%, Frequency range- 300-4000Hz, Input noise- Upto 30 dB, Voltage- d.c 1.5 V, Current- Upto 4mA. Hearing Aid Material:- Hearing aid-ABS, Ear Cap-Silicone, easy to carry., The ear machine is featured with ON-OFF Switch System (N-O Switch, N- On, O-Off). Switch the hearing aid and adjust the volume accordingly. Volume Grade: 1-4 (1 Minimum, 4 maximum), The variety of super-soft, comfortable tips in various sizes that make it very easy to wear and an effective tool for you., In the Box- Hearing aid Machine, Ear Tips, Battery and Instruction Manual.
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