Behind The Ear Invisible Digital Hearing Aid With Noise Cancelling And Howling Suppression
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... Cancelling, howling suppression, speech enhancement, instantaneous noise suppression; 4. 9-level volume adjustment /4 working programs; 5. Max OSPL90 @2900HZ ≤115dB±4dB, FOG50 Max@2900 40dB±4dB, ......
Shenzhen Sounds Good Technologies Co.,Ltd
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117dB Loud And Clear Invisible Hearing Aids Rechargeable Ni MH battery
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...Hearing Aid Features Fast charging technology Charging for 1 hour to workcontinuously for 48 hours,Using 8 hours a day can be used for 6 days Double noise reduction Newly upgraded dual-chip filter circuit technology,Builtin highly sensitive microphone as a sensor,Enhancing the useful signal and relatively reducing thebackground noise......
chongqing pharmaceutical (hunan) pharmaceutical Co., Ltd
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2 Channels 2.0 Mini Digital Sound Board 2.5-5V D Class Power Amplifier for Home Speaker
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...hear any noise ：Two-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4 8 small speaker output power, full of energy, good sound quality. ：Unique without LC filter Class D digital power board, and can be used directly to the...
Shenzhen Creatall Electronics Co., Ltd.
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Pam8403 Ultra Miniature Digital Power Amplifier Board Class D 2channelsx3w
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... 4 ohm, 8 ohm speakers, large output power, enough energy, good sound quality. Class D digital power board without LC filtering is unique, USB can directly use the computer's power supply. Double panel wiring, and properly solve the...
Hans Innovation Group
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