Products related to Light:
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Pocket Hearing Aid Sound Amplifier for Severe Hearing Loss Voice Volume Adjustable with Earplugs
Description: This product is a professional hearing aid. Using it can help you rediscovering the pleasure of listening to nature s sounds or talking to others. Different from the hearing aid that is ear-hook shape, this product can be fixed in your pocket, which is more convenient to control the voice volume. Why not have a look now? Features: Suitable for people who have severe hearing impairment, especially for elderly people. Have more choices for volume control. 7 modes can be chosen: 1 is the minimum volume and 7 is the maximum. O is for power off and N is for normal work mode. H can help you reduce low frequency noise, getting clearer sound. 3 different shape earplugs are provided, which can fit different people s ear. Clamp of this product helps you fix the hearing aid in your pocket. Specifications: Type: Hearing Aid Model: F-18 Material: Acrylonitrile Butadiene Styrene Color: White & Green Maximal Sound Output: 129dB +/- 4dB Maximal Sound Gain: more than 55dB +/- 5dB Harmonic Wave Distortion: less than 5percent Frequency Range: 450-3500 Hz Input Noise: less than 30dB Battery: 1 * 1.5V AA Alkaline Battery (Not included) Working Voltage: Direct Current 1.5V Working Current: less than 4mA Item Size: Approx. 4.5 * 2.5 * 7.0cm / 2.0 * 1.0 * 2.8in (L * W * H) Item Weight: Approx. 28.0g / 1.0oz Total Size: Approx. 12.1 * 8.6 * 3.2cm / 4.8 * 3.4 * 1.3in (L * W * H) Total Weight: Approx. 111.0g / 3.9oz Notes: 1. Please read the user manual before using. 2. To protect your hearing, please don t use this product at a high volume for a long time. Package List: 1 * Hearing Aid 1 * Earplug Connector 1 * Component 3 * Earplug 1 * Operation Manual
Price: 12.99 £ | Shipping*: 0.0 £ -
Pocket Hearing Aid Sound Amplifier for Severe Hearing Loss Voice Volume Adjustable with Earplugs
Description: This product is a professional hearing aid. Using it can help you rediscovering the pleasure of listening to nature s sounds or talking to others. Different from the hearing aid that is ear-hook shape, this product can be fixed in your pocket, which is more convenient to control the voice volume. Why not have a look now? Features: Suitable for people who have severe hearing impairment, especially for elderly people. Have more choices for volume control. 7 modes can be chosen: 1 is the minimum volume and 7 is the maximum. O is for power off and N is for normal work mode. H can help you reduce low frequency noise, getting clearer sound. 3 different shape earplugs are provided, which can fit different people s ear. Clamp of this product helps you fix the hearing aid in your pocket. Specifications: Type: Hearing Aid Model: F-18 Material: Acrylonitrile Butadiene Styrene Color: White & Green Maximal Sound Output: 129dB +/- 4dB Maximal Sound Gain: more than 55dB +/- 5dB Harmonic Wave Distortion: less than 5percent Frequency Range: 450-3500 Hz Input Noise: less than 30dB Battery: 1 * 1.5V AA Alkaline Battery (Not included) Working Voltage: Direct Current 1.5V Working Current: less than 4mA Item Size: Approx. 4.5 * 2.5 * 7.0cm / 2.0 * 1.0 * 2.8in (L * W * H) Item Weight: Approx. 28.0g / 1.0oz Total Size: Approx. 12.1 * 8.6 * 3.2cm / 4.8 * 3.4 * 1.3in (L * W * H) Total Weight: Approx. 111.0g / 3.9oz Notes: 1. Please read the user manual before using. 2. To protect your hearing, please don t use this product at a high volume for a long time. Package List: 1 * Hearing Aid 1 * Earplug Connector 1 * Component 3 * Earplug 1 * Operation Manual
Price: 22.49 € | Shipping*: 0.0 € -
Pocket Hearing Aid Sound Amplifier for Severe Hearing Loss Voice Volume Adjustable with Earplugs
Description: This product is a professional hearing aid. Using it can help you rediscovering the pleasure of listening to nature s sounds or talking to others. Different from the hearing aid that is ear-hook shape, this product can be fixed in your pocket, which is more convenient to control the voice volume. Why not have a look now? Features: Suitable for people who have severe hearing impairment, especially for elderly people. Have more choices for volume control. 7 modes can be chosen: 1 is the minimum volume and 7 is the maximum. O is for power off and N is for normal work mode. H can help you reduce low frequency noise, getting clearer sound. 3 different shape earplugs are provided, which can fit different people s ear. Clamp of this product helps you fix the hearing aid in your pocket. Specifications: Type: Hearing Aid Model: F-18 Material: Acrylonitrile Butadiene Styrene Color: White & Green Maximal Sound Output: 129dB +/- 4dB Maximal Sound Gain: more than 55dB +/- 5dB Harmonic Wave Distortion: less than 5percent Frequency Range: 450-3500 Hz Input Noise: less than 30dB Battery: 1 * 1.5V AA Alkaline Battery (Not included) Working Voltage: Direct Current 1.5V Working Current: less than 4mA Item Size: Approx. 4.5 * 2.5 * 7.0cm / 2.0 * 1.0 * 2.8in (L * W * H) Item Weight: Approx. 28.0g / 1.0oz Total Size: Approx. 12.1 * 8.6 * 3.2cm / 4.8 * 3.4 * 1.3in (L * W * H) Total Weight: Approx. 111.0g / 3.9oz Notes: 1. Please read the user manual before using. 2. To protect your hearing, please don t use this product at a high volume for a long time. Package List: 1 * Hearing Aid 1 * Earplug Connector 1 * Component 3 * Earplug 1 * Operation Manual
Price: 19.96 € | Shipping*: 0.0 € -
More Listening, More Hearing
Price: 14.49 £ | Shipping*: 3.99 £
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Is light or sound faster?
Light is faster than sound. Light travels at a speed of approximately 186,282 miles per second in a vacuum, while sound travels at a speed of about 1,125 feet per second in air. This means that light can travel much faster than sound, allowing us to see things before we hear them.
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Can listening to loud music cause tinnitus?
Yes, listening to loud music can cause tinnitus. Prolonged exposure to loud noises, such as music played at high volumes, can damage the delicate hair cells in the inner ear, leading to tinnitus. It is important to protect your ears by using earplugs or keeping the volume at a safe level to prevent tinnitus and other hearing-related issues. If you experience ringing in your ears after listening to loud music, it is advisable to give your ears a break and seek medical advice if the symptoms persist.
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What is faster: light or sound?
Light is faster than sound. Light travels at a speed of approximately 186,282 miles per second (299,792 kilometers per second) in a vacuum, while sound travels at a speed of about 1,125 feet per second (343 meters per second) in air. This means that light can travel much faster than sound, allowing us to see things almost instantly when they happen, while we hear the sound a little later.
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Why does my tinnitus get louder when I use earplugs?
Using earplugs can make tinnitus seem louder because they block out external sounds, making the internal sounds of tinnitus more noticeable. When external sounds are reduced, the brain may focus more on the internal sounds, leading to the perception of increased tinnitus volume. Additionally, the pressure from wearing earplugs can also affect the perception of tinnitus. It's important to consult with a healthcare professional to find the best solution for managing tinnitus.
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Instrumentation for Audiology and Hearing Science : Theory and Practice
Understanding the array and complexity of instrumentation available to audiologists and hearing scientists is important to students, beginning clinicians, and even seasoned professionals.The second edition of Instrumentation for Audiology and Hearing Science: Theory and Practice is a comprehensive and accessible look at instrumentation used in these fields for research and clinical purposes.The expert authors introduce the laws of physics as they relate to audiology and hearing science and explain a range of concepts in electronics directly related to instrumentation used in audiology and hearing science, such as filtering and immittance (involving acceptance i.e., admittance, and rejection i.e., impedance of energy), explain the fundamental instrumentation concepts in mathematics, physics, and electronics in a systematic manner including only the necessary formulae and basic scientific principles. This unique professional text presents the fundamentals of the evolution of communication systems from analog to digital, including such concepts as digital signals, sound resolution, sampling, quantization and their applications to current technology such as video calls, noise canceling head phones, and CD players.In addition, the authors comprehensively cover calibration of test and research equipment and stimuli used in audiology and hearing science and clearly describe elements of electronics and digital technology as they apply to our everyday lives and experiences as well as to the fields of audiology and hearing sciences. New to the Second EditionNew chapters on amplification, assistive listening devices, and vestibular assessment (electronystagmography and videonystagmography), geared toward audiology and hearing science students and professionalsExtensive reorganization for a smoother flow of informationExpanded focus on evidence-based practiceInformed by the authors' teaching, research, and clinical experiences, the original chapters have either been eliminated or completely updated to reflect current scientific and clinical theoriesA PluralPlus companion website with practical step-by-step PowerPoint instruction and accompanying videos for the construction of direct- and alternating-current electrical circuits, as well as the construction of high-pass, low-pass, and band-pass filters
Price: 110.00 £ | Shipping*: 0.00 £ -
Tinnitus Patch To Dizziness Tinnitus Hearing Loss, Acupoint Patch Ear Health Patch One Size
Tinnitus Patch To Dizziness Tinnitus Hearing Loss, Acupoint Patch Ear Health Patch Tinnitus – Quickly tinnitus, such as ringing, buzzing, clicking and hissing. Improve Concentration Blood Circulation Made from organic plant extracts, without harmful chemical substances. Natural and effective. Easy to use – Just peel it off and stick it on the skin behind the ear. Take it out after 6-8 hours. Easy to use, no side effects. Contains: 1 bag (12 pieces) of tinnitus patches Label: Yes Material: 100% Plastic
Price: 3.09 € | Shipping*: 0.0 € -
Tinnitus Patch To Dizziness Tinnitus Hearing Loss, Acupoint Patch Ear Health Patch One Size
Tinnitus Patch To Dizziness Tinnitus Hearing Loss, Acupoint Patch Ear Health Patch Tinnitus – Quickly tinnitus, such as ringing, buzzing, clicking and hissing. Improve Concentration Blood Circulation Made from organic plant extracts, without harmful chemical substances. Natural and effective. Easy to use – Just peel it off and stick it on the skin behind the ear. Take it out after 6-8 hours. Easy to use, no side effects. Contains: 1 bag (12 pieces) of tinnitus patches Label: Yes Material: 100% Plastic
Price: 5.34 £ | Shipping*: 0.0 £ -
Tinnitus Patch To Dizziness Tinnitus Hearing Loss, Acupoint Patch Ear Health Patch One Size
Tinnitus Patch To Dizziness Tinnitus Hearing Loss, Acupoint Patch Ear Health Patch Tinnitus – Quickly tinnitus, such as ringing, buzzing, clicking and hissing. Improve Concentration Blood Circulation Made from organic plant extracts, without harmful chemical substances. Natural and effective. Easy to use – Just peel it off and stick it on the skin behind the ear. Take it out after 6-8 hours. Easy to use, no side effects. Contains: 1 bag (12 pieces) of tinnitus patches Label: Yes Manufacture Country: China Instructions included: Yes Shelf life: 3 years Skin type:all skin types Ingredients: Cyclopentasiloxane, Dimethicone, Cyclodimethylsiloxane, Butylphenyl
Price: 5.31 € | Shipping*: 0.0 €
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Do I have sudden hearing loss or tinnitus?
It is difficult to determine the exact cause of sudden hearing loss or tinnitus without a proper medical evaluation. Sudden hearing loss can be caused by various factors such as infections, head trauma, or exposure to loud noises, while tinnitus is often associated with conditions like age-related hearing loss, ear infections, or even stress. If you are experiencing sudden hearing loss or tinnitus, it is important to consult with a healthcare professional for a proper diagnosis and appropriate treatment.
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Does tinnitus persist after a sudden hearing loss?
Yes, tinnitus can persist after a sudden hearing loss. In fact, sudden hearing loss is often accompanied by tinnitus, and the two symptoms can be related. The exact cause of tinnitus after sudden hearing loss is not fully understood, but it is believed to be related to changes in the auditory system. It is important for individuals who experience sudden hearing loss and tinnitus to seek medical attention to determine the underlying cause and receive appropriate treatment.
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Is light faster or slower than sound?
Light is faster than sound. The speed of light in a vacuum is approximately 299,792 kilometers per second, while the speed of sound in air is about 343 meters per second. This means that light travels much faster than sound, which is why we see lightning before we hear thunder during a storm.
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Have you ever had tinnitus or sudden hearing loss?
As an AI, I do not have a physical body or experience physical sensations like tinnitus or sudden hearing loss.
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