Hearing Aids Sound Amplifier Smart Noise Reduction Hearing Aid Hearing Amplifier
Feature:1. With high frequency voice reduction, low frequency voice control and output adjustment, the final output sound best suits the needs of each hearing impaired person.2. The operation is simple and convenient, one key switch, the old people can easily start.3. External interface, convenient input, separate volume adjustable.4. Intelligent noise reduction, automatically adjust the sound to the comfortable range, so as to protect the hearing and the sound is more delicate.5. Suitable for hearing impaired people, powered by 1pc AA battery (not included), high efficiency and accurate.Specification:Item Type: Hearing AidsMaterial: PlasticHost Size: Approx. 6.5 x 4.5 x 2cm / 2.6 x 1.8 x 0.8inScope of Application: Applicable to hearing impaired peopleMaximum Sound Output: 130± 5dBSound Gain: ≥50dBTotal Harmonic Distortion: < 5% AA batteryFrequency Range: 300--4000HZInput Noise: ≤30dBVoltage: DC 1.5 VCurrent: ≤4mAPower Supply: 1pc AA battery (not included)Button Function:O: means turn off powerN means start upH means reduce noise (function is better used for noisy place)Usage:1. Select a suitable earplug and insert it into the receiver2. Insert the receiver wire into the receiver (pay attention to the size of the two holes on the receiver)3. Place a receiver with earplugs in the earNotes:1. Power on: push the "on" key upward, and the delay of the "on" will be 3 seconds. Make sure that the sound adjustment is in the minimum state when starting to use2. Power off: turn down the on key and turn it off when you do not use the hearing aid3. High volume will cause injuries. Please make sure that the volume control button is in an appropriate position before turning on4. Adjust the volume by moving slowly until it reaches the most appropriate volumeMaintenance:Hearing aids have no sound. Check as follows:1. Power off2. The battery is in the right direction3. The hearing aid battery died4. Damaged headphones5. The wire is brokenHearing AIDS make very faint and fuzzy sounds:1. Low battery2. Bad headphonesWipe the hearing aid with a clean, dry cloth and a special detergentPackage List:1 x Storage Box1 x Host1 x Earphone4 x Accessory1 x Manual