The description of the goods

High quality components chosen the machine. Optimization of circuit design. With reference to the international famous brand product quality standards organization of production test. This is a fully in line with national standards of medical devices senior cassette. Test and trial to prove. Low noise of the machine. Power consumption province. The amplified sound clear. Bright, crisp. Inside of the machine is provided with noise reduction circuit can filter noise. To enhance the voice. The sense of hearing more comfortable. Fax. The volume of the product is light. Clear voice. The volume can be adjusted. For in various types of hearing loss of the crowd.

technology index

maximum sound pressure level 129dB + 4dB

full acoustic gain is more than 38dB

Total harmonic distortion : f=1000Hz = 4%

frequency range: 450Hz ~ 3800Hz

equivalent noise: Less than 30dB

working voltage: 1.5V

battery type: AG3

note, warning presentation

• • Do not use long time, remove the battery, the battery to avoid erosion rotten parts.

• • regularly clean the ear plugs or ear mould in order to ensure the normal use of the product.

• shockproof, moisture-proof, anti high temperature, anti fall.

storage method

in relative humidity of not more than 80%, non corrosive gas, stored in dry and ventilated place.

avoid direct sunlight, avoid severe vibration.

advice: desiccant pouch can be placed in the box, put in the box when the night can absorb moisture.

if not, turn off, to extend the battery life and the life of the machine itself.

if you do not wear a long time, the battery should be removed to prevent the battery decay and damage to your machine. Please put the battery in the reach of children, to prevent the misuse of food or contact explosion short poles

product maintenance and maintenance

• • when not in use, turn off the power ;

• • use dry cloth or special cleaning product agent is sprayed in the dry cloth cleaning product shell.

• Why not ring:
  products

  switch is open ;

  battery is installed in the right way;

  batteries are charged ;

  battery compartment is closed;

  Whether earplug is clogged ;

  headset is bad;

  wire has been broken;

• products:
  fuzzy or weak voice

  battery voltage is insufficient;

  headset failure;

• The reason battery life is too short:
  

  When the battery is still not in products , and did not turn off the electric ;

  battery packaging and metal objects together or exposed to air for a long time.

• product photos:

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