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High quality speaker back sponge foam pad for iPhone 6s
no damage to ornaments
outer attachment easy installation
Real 120W high power
In-Ear Canal Sound Amplifier Deaf Hearing Aids, K-80 Family Time High quality speaker back spongeHearing aid, When you watch movie, enjoythe drama, attend meeting, or have classes, the product can help you to hear the sound clearly and loudly. While in forest, if you want to hear very slight sound, it will be a good choice. Specification: 1. Max sound output: 110+ 5Db 2. Sound gain: about 30dB 3. Total harmonic wave distorting: about 10 ??? 4. Frequency range: 300 400Hz 5. Input noise: about 40dB 6. Voltage: d. c. 1. 5V 7. Current: about 4mA
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