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Adult hearing aid hearing aid charging hearing aid gift box with medical equipment
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\"Please read the product manual carefully or purchase and use the product under the guidance of the medical staff\"
A -155rechargeablebluetoothHearing AIDS:
Sound output:127 + / -4 db
MAX soundGain:48 dbPlus or minus5 db
harmonicWaveform distortion: 5% or less
Frequency range:250?3800Hertz
The input noise:30 or lessdb
Battery: lithium battery
workVoltage: DC3.7 V
Operating current:4 or less ma
- 100%Competitive price
- Rechargeablebluetoothstyle
- on/off
- volume control
- the mainProduct size43.520 * *13 mm,NG:9.5 grams
- differentThe size of theThe noise of theThe prevention ofearlug
\"Please read the product manual carefully or purchase and use the product under the guidance of the medical staff\"