In-Ear Canal Sound Amplifier Deaf Hearing Aids, K-80
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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Delivery
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Returns
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Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken. Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
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