Description
Portable Adjustable Volume Ear Hearing Aid
Wide frequency range: 300--4500 Hz
0.068 Package weight: 0.094 kg Product size (L x W x H): 4.60 x 3.80 x 0.90 cm / 1.81 x 1.5 x 0.35 inches Package size (L x W x H): 17.00 x 8.50 x 1.50 cm / 6.69 x 3.35 x 0.59 inches
Package Contents: 1 x Host , 3 x Battery, 3 x Earplug, 1 x English Instruction
Features:
Maximum sound output: 1305dB
Sound gain: more than 505dB
Total harmonic distortion: less than 10%
Frequency range: 300--4500Hz
Input Noise: less than 32 dB
Operating voltage: 1.5V
Battery model LR44
Weight: 68g
Instructions:
Before you use this item ,you have to turn the O-N switch to O(off),and turn the sound volume to minimum
Then put this item on you ear, keep it tightly
Next, turn this item on(O-N to N), adjust the volume until you hear clear sound
Taboos otitis media or ear suppuration who are disabled.
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