Feie ear hearing devices hearing amplifiers analog invisible mini heairng aid S-900
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Russian Buyer : Please fill in receiver\'s full name in the order due to new policy of Russian customs, otherwise you probably won\'t receive package finally .
chinese market online Medium power amplifier low noise ear hearing devices S-900 Free Shipping Features: 1.Medium power suitable for moderate to severe hearing weak people.
2.Stable quality,simple operation,easy to use
3.Low distortion,low noise Technical Parameters:
1. Maximum saturation sound pressure ≥ 110dB ± 5dB pole
2. full block sound gain: ≥ 30dB
3.The average gain: ≥ 40dB
4.Equivalent noise: ≤ 40dB.
5.Frequency Response: 300Hz-4000Hz
Standard battery: AG3 button batteries
Operating voltage: DC1.5V
Operating Current: ≤ 4mA
Product weight: 3g
Product size: 2 * 1.9 * 1.5cm
Package: paper + plastic box
Package size: 11.1 * 8.4 * 3.3cm
Carton Size: 52.5 * 31 * 39cm
NW: 9kg Instructions:
1.The wire plug connected to the headset.Then earplug connector (hard) to the headset, earbuds (silica gel) to connect to the headphone connector pedestal
2.The battery installation: Gently open the battery compartment cover, put a battery into the battery compartment in the right direction, then close the battery compartment .
3.Before you use this item ,you have to turn the ON-OFF switch to Off,and turn the sound volume to minimum
4.Then put this item on you ear, keep it tightly
5.Next, turn this item ON, adjust the volume until you hear clear sound Note:
- Adjust volume to the minimum before wearing.
- Choose an earplug of slightly bigger size to avoid whistler.
- Increase volume gradually to avoi
|Item Type||Ear Care|
|Hearing aid||For hearing loss|
|ITE||In the ear|
|Type||Analog invisible hearing aid|
|Package Weight||0.3kg (0.66lb.)|
|Package Size||10cm x 5cm x 2cm (3.94in x 1.97in x 0.79in)|