大富翁水果机

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Sime-Digital Hearing Aid

JH351N

Features: 
1. Rechargeable: Reusable and eco-friendly, long time service which good for travel; 
2. MPO Control: Can limit frequency output , corresponding uncomfortable threshold properly adjust the maximum output;
3. Rocker Switch: With beautiful design button to adjust volume easier;
4。 High Sound Quality: Low noise microphone, balanced armature loudspeaker and high gain integrated amplifier。
5. Micro USB: No matter AC adapter, computer or car all can be charged.
6. Open fit type hearing aid and voice output through air, with this technology user can receive cleanly soun quality and prevent
occlusion effect;
7。 Memory Key Function: The machine can remember the sound level you used last time。


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