The NuvoMed DigiEars | MAX Complete In-Canal Hearing Aid with Charging Case (Model: HSA-4/0142) is an over-the-counter (OTC) hearing aid designed for users aged 18 and older. It aims to assist individuals with hearing loss by amplifying sounds, though it does not restore normal hearing or prevent/improve medical conditions causing hearing loss.
Function Description:
The device is a digital 4-channel DSP chip hearing aid with four pre-set programs: Standard, Restaurant, Outdoor, and Music. These programs are designed for different listening environments, such as quiet settings (home and office), very quiet settings (meetings, restaurants), outdoor environments (roads, supermarkets), and very noisy places (bars, crowded areas). The hearing aid features easily adjustable single-key volume control with six volume levels, active noise reduction, and minimal noise interference. It also has a memory function to automatically recall the previous hearing program.
Important Technical Specifications:
- Test Standard: ANSI 3.22-2014
- Test Equipment: FONIX 8000
- Test Coupler: HA-1
- Max. Output (OSPL90): Ranges from 102dB (Program 4) to 107dB (Program 3).
- Full-on Gain Value (HFA FOG@50): Ranges from 21dB (Program 4) to 25dB (Program 3).
- Total Harmonic Distortion Value (THD): Ranges from 0.2% (Programs 2 and 4) to 0.4% (Program 1).
- Self-generated Noise Value (EIN): Ranges from 14dB (Program 3) to 17dB (Program 4).
- Latency Value: 14ms across all programs.
- Frequency Response Bandwidth:
- Program 1: F1=220Hz, F2=5100Hz
- Program 2: F1=240Hz, F2=5300Hz
- Program 3: F1=220Hz, F2=5200Hz
- Program 4: F1=200Hz, F2=6300Hz
- Frequency Response Smoothness: Ranges from 3dB (Programs 1 and 4) to 5dB (Program 2).
- Battery Type: Zinc Air A13 Battery (for initial setup, though the device description and charging case imply rechargeable batteries for the main product). The manual also mentions "rechargeable devices" and "rechargeable hearing aid."
- Charging Time (Case): 2.5 hours.
- Working Time (Hearing Aid): ≥12 hours per charge.
- Charging Case Capacity: Carries 2 full recharges for up to 36 hours of usage.
- Product Life: 5 years.
Usage Features:
- Getting Started:
- Place Zinc Air A13 Battery in the device (this step seems to contradict the rechargeable nature of the device and charging case, suggesting it might be for a different model or an initial setup step before using the rechargeable system).
- Clean wax out of ears, as excess earwax can clog hearing aids.
- Try out all ear bud sizes (small, medium, large) for a comfortable, snug fit before turning the device on.
- Start at the lowest volume setting and increase as needed.
- The device is ready for use.
- Ear Tip Installation: Ear tips are pushed onto the hearing aid, ensuring they are firmly fastened. Users should gently pull the tips to confirm secure attachment.
- Left & Right Markings: The hearing aids are marked with 'L' for the left ear and 'R' for the right ear.
- Insertion Depth: The maximum insertion size of the hearing aid is 9.8mm, ensuring a safe distance from the eardrum for adults.
- Wearing & Removing: To wear, hold the hearing aid and place it in the ear, then move it slightly into the auricle for holding. To remove, grasp the protruding hearing aid and gently pull it from the auricle.
- Turning On/Off: Press the multi-function button for about six seconds to turn on (a prompt tone indicates the hearing program). To turn off, press the multi-function button for about six seconds until three beeps are heard, followed by a turn-off prompt tone.
- Volume Adjustment: Short press the multi-function button to adjust volume through six levels. Three beeps indicate maximum volume.
- Hearing Program Change: Long press the multi-function button for about three seconds to cycle through the four pre-set programs. Each program is indicated by a specific number of beeps (One Beep for Standard, Two Beeps for Restaurant, Three Beeps for Outdoor, Four Beeps for Music).
- Charging the Hearing Aid: When turned off and placed in the correct slot of the charging case, the hearing aids will begin charging. An orange indicator light signifies charging, and a green light indicates a full charge. Lights turn off about five minutes after full charge. A notification sound warns of low battery.
- Charging Case Operation:
- Turn On/Off: Press and hold the battery check button for two seconds to turn on (indicator lights turn green and flash three times). Press and hold for five seconds to turn off (indicator lights turn orange and flash three times).
- Charging the Case: Connect the included USB cable to the charging port of the case and a USB power source.
- Battery Power Check: Short press the battery check button to see the remaining battery capacity.
- Not connected to USB: Solid green lights mean full capacity; flashing orange lights mean not full.
- Connected to USB: Solid green lights mean full capacity; solid orange lights mean not full.
Maintenance Features:
- Hearing Aid Care:
- Keep clean and away from extreme temperatures, moisture, and foreign substances.
- Use the included cleaning tool to clean debris from buttons, microphones, and charging contacts.
- Regularly inspect the receiver, ear tips, and charging case.
- DO NOT clean with water, solvent, or cleaning fluids.
- Charging contacts should be kept clean and dry.
- Always store in the charging case when not in use.
- Charging Case Care:
- Keep clean and away from extreme temperatures, moisture, and foreign substances.
- Use the included cleaning brush to keep charging ports clear of debris.
- DO NOT use water, solvents, or cleaning fluids/oils to clean charging ports.
- Store in a clean and dry location.
- General Care and Maintenance:
- Keep away from children and pets.
- Avoid high-temperature and high-humidity environments.
- Do not poke the microphone with sharp objects.
- Do not attempt to disassemble or repair the devices yourself, as this voids the warranty and can cause further damage.
- Clean the charging contact of the rechargeable hearing aid with a dry, soft cloth regularly.
- Cleaning Ear Tips:
- Clean earwax using the thin side of the included tool.
- Remove ear tips before cleaning.
- Push the ear tip rim membrane outward.
- Clean ear tips with alcohol and a dry cloth, then wait for them to dry before reattaching.
- Note: Replace ear tips every 3 months, or sooner if they become stiff, brittle, or discolored.
- Cleaning Tool: Use a soft cloth or tissue to wipe any moisture or perspiration from its surface.
- Storage: Store rechargeable devices in the charging case when not in use. Avoid extreme hot/cold temperatures, moist/humid environments, or shock/vibration. Environmental ranges for storage: -10°C to 55°C, 10%-90%RH, 700-1060hPa. Hearing aids should be fully charged before first use and at least every six months if not used for an extended period.
Warnings and Cautions:
- Not for users younger than 18.
- Consult a doctor (ENT) if experiencing ear pain, discomfort, discharge, sudden hearing changes, dizziness, or ringing in one ear.
- Remove the device if it causes pain or discomfort during insertion.
- Do not use if you have congenital ear deformities, unstable hearing loss, persistent headaches, sudden/rapid progressive hearing loss, ear discharge, central/non-organic deafness, acute otitis externa/tympanitis, or suppurative otitis media.
- Keep small parts out of children's reach.
- Avoid dropping, immersing in liquid, strong electromagnetic fields, or excessive heat.
- Remove devices before X-ray, MRI, or CT scans.
- Seek medical assistance if parts get stuck in the ear canal; do not attempt to remove yourself.
- Do not use at high volume for extended periods to prevent ear injury.
- Remove and consult a doctor if experiencing pain or strong discomfort.
- Not hearing protection; remove in overly loud places and use ear plugs instead.
- Sound output should not be uncomfortable or painful; turn down volume or remove device if needed.
- Seek medical help if a piece gets stuck in your ear; do not use tweezers or cotton swabs.
- Consult a professional if you continue to struggle with or are concerned about your hearing.
- Report injuries, malfunctions, or adverse events to the FDA.
- Possible side effects include dizziness, tinnitus, worsening hearing loss, nausea, headache, skin reaction, and excessive ear wax accumulation.
- Do not share hearing aids.
- Monitor for unusual skin reactions; stop wearing and consult a medical specialist if allergic reactions occur.
- Stay away from strong electromagnetic fields (e.g., ovens, ultrasonic cleaners) to avoid damage.
- If Bluetooth is available, do not connect the hearing aid and headsets to the mobile phone simultaneously to avoid noise/distortion.
- Contact manufacturer or hearing professional for assistance if needed; do NOT fix devices yourself.
- Avoid using accessories/cables not specified by the manufacturer.
- Do not use near mobile phones or other devices that emit electromagnetic fields.
- Do not bring the device into MRI, CT, diathermy, RFID, or electromagnetic security systems.
- Do not use adjacent to or stacked with other equipment unless normal operation is verified in that configuration.
- Interference may cause abnormal device display or affect stimulation sensitivity, but not safety issues.
- Customer Service: info@nuvomed-hearingaids.com or 1-888-738-NUVO (1-888-738-6886), Monday to Friday 10am to 6pm EST.
- Website: www.nuvomed-hearingaids.com/support
- Return Policy: Call customer care for returns; returns may be subject to a restocking fee and shipping costs.
- Distributed by: NuvoMed, Inc, Downers Grove, IL 60515.
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