Mercury New 2014 Model Universal Battery Tester/Checker AA, AAA, 9V This new model battery tester from Mercury has an easy to read analogue display. The battery tester is compact and very light which makes it easly portable. Suitable to test numerous household batteris and button cells including AA, AAA, and 9V. Mercury Universal Battery Tester – Features
Measures the batteries under load to accurately indicate their state Suitable to test AA, AAA, C, D, 9V PP3 Batteries and Button Cells
Handy battery tester with an easy-to-read analogue display
Suitable to test many household batteries and button cells
Measures the batteries under load to accurately indicate their state
Suitable to test AA, AAA, C, D and 9V PP3 batteries and button cells
Features: Suitable for medium height hearing loss The main crowd:children middle age old man But also ears free breathing, comfortable, smooth, not boring Speak is not plugging, communication more smoothly Slender soft guide,humanization 1mm slender soft guide design, easy stealth Neurological tinnitus, deafness, otitis media, and other symptoms, please contact customer service selection division. Special hooks Stable and painless wear
Specification: Item Type:Ear Care Voltage: DC1.4V Current:≤4mA Charging time(H):6-10H Continuous working time(H):11-16H Ambient temperature:5℃-40℃ Relative humidity:≤80% Atmospheric pressure:86KPa-106KPa Maximum Saturation Sound Pressure(OSPL90): 1323dB High frequency average(OSPL90):1174dB Maximum File Acoustic Gain(1600Hz): 35 5dB Equivalent input noise level:≤32dB Total harmonic distortion:≤10% Frequency range:400-3500Hz
Ergonomic design, long time no pain
Adjust volume to the minimum before wearing,Increase volume gradually to avoid sudden increase in sound
The hearing aid comes with rechargeable function, no need to change the battery. Separate cables and headphones, more convenient and safety.
Suppress background noise and prevent excessively loud sounds.
Super mini size and light weight, affordable hearing aids are discreet enough to fit easily into your pocket or handbag.
100% brand new and high quality Specifications: Mini ITE Hearing aid Max Sound Output:≥120 dB Max Sound Gain:≥30 dB Harmonic Wave Distortion: f1000Hz≤4% Frequency Range: 250～3800 Hz Input Noise:≤50 dB Battery:AG3 Button battery (included) Working Voltage:dc1.5V Working Current:≤4mA Color:As the picture shows Item Size:2.2 x 1.9 x 1.4cm 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. If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. Keep the ear plug clean Remove the battery if you don’t use it for long time.
❤ Max Sound Output:≥120 dB & Max Sound Gain:≥30 dB
These hearing aid batteries have been adapted for your device. They replace the following batteries: – amplifon 10zas – Audio2000 ZA10 – audika R460 + – earPower A10 – Hear 10AE Energizer – 10 – PowerOne P10 – lrayovac Proline 10 A – Rayovac Advance 10AE – Siemens S10