elderly hearing aid xm-909f sound amplifier, behind-the-ear portable audio amplification device.

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type of hearing aid: back-of-ear

power type: battery

brand: xm

product specifications: 3.8*2.1 * 0.9cm

shell technology: abs

weight: 11g

medicine (mechanical): guangdong machinery injection 20192190156

rated voltage: 1.5v

rated power: /

packing volume: 8*8 * 4cm

specifications: xm-909f

main downstream platforms: ebay, amazon, wish, aliexpress, independent

major sales areas: africa, europe, south america, southeast asia, north america, northeast asia,

have authorized private brands: no

whether cross-border export is exclusively available: yes

with a built-in battery or not: no

material grade: non-food grade

patent source or not: no

shopping hotspots: low-frequency noise reduction

1. Maximum output: 128 ± 5 decibels.

2. Maximum audio gain: 40 ± 5 dB

3. Harmonic distortion: ≤ 10% (1000 Hz)

4. Frequency range: 300–4500 Hz

5. Battery voltage: DC 1.5V

6. Directionality: All-round

Product Color: Beige

Machine weight: 11 grams

Machine and packaging weight: 80 grams

Features:

• Ultra-miniature size and light weight; adjust the volume to the lowest level before wearing

• Gradually increase the volume to prevent sudden sound increases

Packaging includes:

1 hearing aid amplifier

2 x AG13 button battery

3 ear caps

1 x manual

Update time：20261013141541

elderly hearing aid xm-909f sound amplifier, behind-the-ear portable audio amplification device. 老人助听器XM-909F声音放大器hearing aid耳背式听力扩音便携集音