Cheap amplifier stand, Buy Quality amplify mobile directly from China amplifier uhf Suppliers: hot and new item!! In the ear amplifier S-219 mini hearing aid rechargeable for helping deafness Drop shippingAvailability:In stock Add to cart Add to Wishlist
In the ear amplifier mini hearing aid rechargeable S-219 Drop shipping Features: This product is a sophisticated in the canal rechargeable hearing aid, clear sound, compact body, the sound is clear and easy to use.
Independent power switch, simple operation.
"NO" - the power switch to the "open" file;
"OFF" - battery switch "off" file. Charging file;
"- Volume control. Technical Parameters:
1. Maximum saturation sound pressure ≥ 128dB ± 4dB pole
2. full block sound gain: ≥ 40dB ± 5dB
3. The average gain: ≥ 38dB
4. Harmonic distortion:
a) frequency less than 1000Hz when not more than 10%
b) when the frequency is greater than 1000Hz is not more than 6%
5. Equivalent noise: ≤ 26dB.
6. Frequency response: no narrower than 300Hz ~ 3500Hz
Operating voltage: 1.2V
Operating Current: ≤ 4mA
Product weight: 3g
Package: paper + plastic box
Carton Size: 36 * 30 * 26.5cm
Net Weight: 6kg 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 avoid sudden increase in sound.
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|Package Weight||0.3kg (0.66lb.)|
|Package Size||10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)|
|Item Type||Ear Care|
|Place of Origin||Guangzhou,China|