Ear Express Pod Plugs Articles & Analysis: Older
7 articles found
Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3% 800HZ<5% 1600HZ<1% Operation Current/mA ≤3mA Certification FDA Frequency Range 400-4000Hz Input Noise ≤32dB Hearing Loss slight, moderate Voltage 1.5V Battery Type LR754 Battery ...
Specification of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier Max Sound Output 125±3dB Noise ON ≤20dB Sound Gain 40±5dB Battery size 3.7V 30mAh Built-in lithium batter Total Harmonic Wave Distortion 500Hz <= 3.1% Working current ≤2.5mA 800Hz <= 1.7% 1600Hz <= 0.2% Frequency Range 200-5000Hz Full charging Time 2 hours Dimension Duration of use ...
Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current Frequency Range 500-3500Hz Working time/H 348 Input Noise ≤32dB Certification FDA Machine size/cm 4*1.7*6.5 ...
Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation Current ≤4mA Operation current/mA 6.9 Frequency Range 200-3000Hz Working time/H 348 Input Noise ≤32dB Certification FDA Machine size/cm 4.5*2*6.8 ...
Features of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier 2 hours continuous use with a full charge Super mini in the ear, invisible in the ear. Wide frequency range, high quality sound. Open fit hearing aid, no blockage effect, improving wear comfort. Supplied with USB charging dock Different sized ear tips supplied to ensure a good fit Precautions of JH-351R BTE RIC FM ...
Although surfers have high incidental exposure to marine waters, no studies have investigated if surfer risk behaviors (such as surfing during advisories, near an outfall, during a rain event, or use of personal protective equipment) increase or decrease the risk of acquiring waterborne illnesses. We used a web-based survey to assess the association between risk-based behaviors and ...
… as long as the “noise” is music. Thus spake Richard Littlejohn of the Daily Mail earlier this year – he’s a journalist, for some value of “journalist”. “Blessed is the man who, being ignorant, abstains from giving us worthy evidence of the fact” (with apologies to George Eliot). This journalistic licence is addictive, I feel better ...