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Color box size: 11.5 * 13.5 * 6 cm

 1. This product is charging model, don't need to buy battery and trouble, no power can be charged at any time.
2. With USB cables, may also directly bring a charge on the computer. Also can be directly plugged in, charging the red light will be bright. With a red light.
3. 8 hours can be used for 12 hours, so you night after good electric charge, don't worry he won't no electricity during the day,
4. When used to choose the suitable for your silicone earplugs, then switch to the ON members of the state, the note if green light means there is electricity in the work, and then to switch to suit your dB, the volume when you sleep or take a shower you take him down, will switch to OFF closed, when the green light go out. It can be used at the time.
5. Can't put the product on the water, or moist place.
Product parameters and performance:
Power supply: rechargeable batteries
Voltage: 3.7 VDC
Working current: 16 ma + / - 20% or less
The speaker impedance: 200 ohms
Output power: 3 mw
Unit weight: 20 g (including the built-in rechargeable battery)
Maximum saturation pressure (plus or minus 4 db) 130
All gain: (+ / - 5 db) 46
Frequency range: (Hz) : 100-5500
The equivalent input noise (plus or minus db) 28 or less
Harmonic distortion rate (%) of 4 or less
Continuous working time (hours) 10 or higher
Battery capacity: 150 ma batteries for rechargeable lithium batteries
Not suitable for the user:
Serious heart disease, suppurative otitis media; Carry in patients with cardiac pacemaker and allergy to this product material, ear skin ulcers is forbidden to use
Packing materials:
One color box packaging, product into a blister, and then into the color box packaging.
QTY: 50 PCS/CTN
N.W: 6 KGS
 G.W:7 KGS
SIZE: 59.5 * 32 * 29 cm
Color box size: 11.5 * 13.5 * 6 cm
The products have CE ROSH and FCC certification

戴助聽器常遇到的問題

1.如何佩戴助聽器?  

初次使用助聽器您也許會覺得聲音不夠真實清晰。因為您已經習慣瞭原來的聽力狀況,當使用助聽器後,聽到的是些不熟悉的聲音,因此一時不能適應。解決問題的主要方法是進行必要的適應性訓練,剛開始佩帶的時間不要太長,音量不要過大,慢慢適應。

2.如何進行適應性訓練? 
助聽器適應性訓練並不復雜,總的原則是堅持戴用、分步適應：

    (1)從每日戴用時間上講,宜從短到長;

    (2)從音量調節上看,宜先小後大;

    (3)從交際環境說,宜先安靜後曹雜、先簡單後復雜。

    如此循序漸進,才能使您盡快渡過適應期,使助聽器的作用最大限度地發揮出來。

3.戴用助聽器為何會產生嘯叫?

耳塞與耳道接觸部位封閉不嚴,放大的聲音從縫隙中泄露出來又返回到麥克風再次被放大.就會產生嘯叫。這種現象類似於我們常見的麥克風靠近音響時出現嘯叫聲那樣。

        (1)手或某個物件靠近助聽器，因為部分聲音反射在手掌或物件上又傳回麥克風進一步放大所致。

       (2)助聽器沒有完全塞入耳道或與耳道壁密封不緊，放大後的聲音泄露並傳回麥克風所致。

       (3)耳內有大量的耳屎，發生耳屎栓塞，放大後的聲音反射到耳屎上再次傳給麥克風，也將產生反饋。

4. 怎樣避免嘯叫?    

 (1)先將助聽器音量調節旋鈕調到“1”的位置，然後將耳塞塞入耳內並盡量塞緊，再將音量調到最清晰位置。

  (2)如果耳塞無法塞緊請換另一個比較合適的耳塞試試，塞緊耳朵,不要泄漏空氣。

新手教學

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