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LieDao Portable Ear Hanging Hearing Aid with Volume Adjustable Function

Details

Main Features
• Large frequency range, with clear and authentic sound reception
• With user manual included, easy to use and operate
• Mini size and light-weight, your ear will not feel tired or uneasy
• High quality plastic material, durable and will not hurt your skin

Parameters
• Maximum sound output: 130dB    
• Sound gain: more than 50dB    
• Total harmonic distortion: less than 10 percent
• Frequency range: 300 - 4500Hz   
• Input noise: less than 32dB    
• Operating voltage: 1.5V    
• Power: 3 x LR44 battery ( included )

Using Instructions
Step1: before you use this item, you have to turn the O - N switch to O ( off ), and turn the sound volume to the minimum
Step2: put this item on your ear, keep it tightly
Step3: 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.

Package Contents: 1 x Hearing Aid, 3 x Battery, 3 x Earplug, 1 x English User Manual

Wide frequency range: 300--4500 Hz

Package weight: 0.115 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

LieDao Portable Ear Hanging Hearing Aid with Volume Adjustable Function

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