宇视监控套装四路
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- 产品描述
| 产品尺寸 | 长: 3.00cm | 宽: 3.00cm | 高: 0.50cm | 产品重量 | 0.070kg |
| 包装尺寸 | 长: 10.00cm | 宽: 5.00cm | 高: 3.00cm | 包装重量 | 0.120kg |
Mini Size – Realink hearing amplifier with ergonomic model design, and the weight is 3g , the slim sound tube is suitable for people who wear glasses also, can be worn in a variety of occasions to avoid embarrassment.
Easy Operation- Sliding gear, adjust the sound according to your needs, easy to operate. 3 different sizes of ear domes for choice to avoid whistling.
External Receiver RIC- Realink hearing amplifier features RIC technology. The microphone and receiver are further apart, eliminating acoustic feedback effectively. The receiver is closer to the eardrum, making the sound more natural and realistic.
Dampproof And Quakeproof - The body can be dust-proof and sweat-proof for a short time. 1mm hose design is firmly attached to the ear and is suitable for sports. More suitable for wearing glasses.
Let Love Be Heard -60 Days Money Back Guarantee and 1 Year Warranty. You can always contact us if you have any questions.
Product Description
Realink Digital hearing amplifier help you to hearing de voice of love. 30 days money back guarantee and 1 year warranty.
> To adjust the volume, rotate the volume control by your fingertip up and down.
> To increase the volume, turn the volume control up. To decrease the volume, turn the volume control down.
Note: Make sure the volume is not at the maximum level before wearing the instrument.
Adjust volume gradually according to your own hearing requirement to avoid feedback and protect your hearing.
Help with whistling
1. Reduce the volume.
>>Turn off or lower the volume before inserting the instrument in your ear.
2. Securely position the instrument into your ear.
> >Once the hearing amplifier is properly seated in your ear, the whistling will generally stop.
3. Clear the ear canal of wax or debris.
>>Check your ear with help.
4. Change the ear piece or tubing.
>>Change a new one or a different size one.
>>Make sure the tubing is not broken or torn.
Working condition:
Temperature: -20°to 60 °/Celsius -4°F to 140°F
Air humidity：≤85%
Air pressure:500--1100 kPa
Technical Data:
Peak OSPL90(dB SPL )118
HAF OSPL 90(dB SPL )115
Peak Gain(dB)45
HAP full on Gain(dB)35
Total Harmonic Distort:
500Hz(%)≤3.0
800Hz(%)≤3.0
1600Hz(%)≤3.0
EQ Input Noise(dB)≤32
Battery Current(mA)≤1.5
Frequency Tange(Hz)350-5500
Package Includes:
1 * Hearing Amplifier
3 * Ear Domes
1 * Shockproof Case
1 * Cleaning Brush
1 * User Manual