Description
Discreet Rechargeable In-Ear Hearing Devices
Enjoy everyday hearing support with these lightweight, rechargeable in-ear devices, designed for adults with mild to moderate hearing difficulties.
Features:
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Compact, discreet design
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Lightweight at approximately 2 g per device
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Rechargeable for convenient daily use
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Soft silicone ear tips in different sizes
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Simple controls with no app or Bluetooth required
For suitability, consult a hearing-care professional before use.

Four Programs for Different Listening Situations
Choose from four listening programs using the multi-function button on the hearing aid:
- Normal: balanced sound for most everyday environments
- Noise: designed to support listening in noisier surroundings
- Outdoor: adjusted for open outdoor environments
- Telephone: helps reduce feedback when holding a telephone near the ear
Please note: Telephone mode is a sound setting only. F20D1 does not connect to a smartphone or stream phone calls.
Simple Controls—No Smartphone Required
F20D1 is adjusted directly using the button on the hearing aid. Change the volume or switch between listening programs without installing an app or pairing a smartphone.
- Short press to adjust the volume
- Press and hold for approximately two seconds, then release, to change the listening program
Rechargeable Convenience Without Disposable Batteries
Enjoy up to 18 hours of use from a full charge. When the hearing aids need more power, place them inside the magnetic charging case. The case recharges and protects the hearing aids between uses, whether at home or while travelling.
- Up to 18+ hours of use per charge
- Approximately 2.5 hours for a full charge
- Magnetic portable charging case
- Rechargeable lithium-ion battery
- USB-C charging cable included
- No disposable hearing-aid batteries required
Is F20D1 Right for You?
F20D1 may be suitable if you:
- Experience mild to moderate hearing difficulties
- Find some everyday conversations difficult to follow
- Want help reducing distracting background noise
- Prefer a compact and discreet in-ear design
- Want simple onboard controls without a smartphone
- Prefer rechargeable hearing aids without disposable batteries
F20D1 may not be suitable if you:
- Require support for severe or profound hearing loss
- Want smartphone app control
- Want to stream phone calls, music or television audio
- Have sudden or rapidly changing hearing loss
- Have persistent ear pain, discharge or another untreated ear condition
If you are uncertain about your hearing needs or experience any of the conditions above, seek advice from a qualified hearing professional before use.

Package Contents
Everything you need for setup and daily care is included. The package contents depend on whether you select a left-ear device, right-ear device, or a pair.
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F20D1 in-ear hearing device(s), according to your selection
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1 charging case
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1 USB-C charging cable
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9 silicone ear tips in assorted sizes
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1 cleaning brush
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1 user guide
Choose the Correct Option
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Left Ear: One device for the left ear
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Right Ear: One device for the right ear
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Pair: Two devices, one for each ear
Product Specifications
Sound and Performance
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Frequency range: 250–5,000 Hz
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Maximum output: Below 114 ± 3 dB
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Average high-frequency output: 110 ± 4 dB
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Maximum full-on gain: 30 ± 5 dB
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Average high-frequency gain: 27 ± 5 dB
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Equivalent input noise: Below 32 dB
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Total harmonic distortion: Below 5% at 500, 800 and 1,600 Hz
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Digital sound processing: 16 channels
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Listening programs: Normal, Noise, Outdoor and Telephone
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Features: Background noise reduction, feedback suppression and adjustable volume
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Controls: Multi-function button
Battery and Charging
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Operating time: Up to 18 hours
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Charging time: Approximately 2.5 hours
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Battery type: Rechargeable lithium-ion
Size and Weight
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Dimensions: 18 × 14.5 × 9 mm
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Weight: Approximately 2 g per device