CYBER SONIC HEARING AID IN SOUTH AFRICA

  CYBER SONIC HEARING AID PRODUCT DESCRIPTION 1.100% Brand new and high quality 2.Every product will be checked carefully 3..Applicable to moderately severe hearing loss; 4.. Low noise, small distortion; 5.. Easy to wear. 6.Taken the maximum saturation pressure level: 135 db or less 7.Taken the full file to gain: p 45 db 8.Taken the harmonic distortion: f 9.F > 10% 1000 hz or less 10.Taken the frequency response: 400 hz -3500 hz 11.Taken the equivalent input noise: 32 db or less 12.U working voltage: 1.5 v 13.U working current: