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Topmedi CH-F331 16-Channel In-Ear Hearing Aid with LED Charging Case 180h Standby 5 Volume Levels 4 Scene Modes
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Topmedi CH-F331 16-Channel In-Ear Hearing Aid with LED Charging Case 180h Standby 5 Volume Levels 4 Scene Modes

  1. 16-Channel Multi-Band Technology – Advanced digital processing for clear noise reduction and intelligent sound optimization.

  2. 5 Adjustable Volume Levels – Volume cycles from 0-1-2-3-4-5 with default level 4; memory function retains last setting.

  3. 4 Scene Modes – Freely switch between General, Outdoor, Indoor, and Movie modes for optimized listening in different environments.

  4. LED Digital Display Charging Case – Real-time battery percentage display; magnetic charging for convenient storage.

  5. 180 Hours Long Standby – Extended battery life with integrated charging case that automatically charges hearing aids when stored.

  6. Debugg-Free Adaptive Environment – Automatically adjusts frequency, noise reduction, and voice capture based on environmental changes.

  7. HD Audio Quality – Imported multi-band chip subdivides audio sources with independent gain control for high-fidelity sound.

  8. Bluetooth 5.3 Connectivity – Seamless connection to smartphones for calls and audio streaming; Bluetooth name "CH-F331".

  9. Automatic Mode Switching – Automatically switches between hearing mode and Bluetooth mode when calls or music are detected.

  10. Comfortable L-Shaped Ergonomic Design – Based on thousands of sampling experiments for pain-free long-term wear.

  11. Call Management – Short press to answer/hang up, long press 2 seconds to reject incoming calls.

  12. Low Distortion & Wide Frequency Range – THD ≤5%+3% with frequency response from 300Hz to 5000Hz for natural sound.

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    Product Specifications

    Model No. CH-F331
    Product Name In-Ear Hearing Aid
    Type In-Ear / Ear Canal Type
    Fitting Range For Air Conductive Hearing Loss
    Max OSPL90 ≤112dB + 3dB
    High Frequency Avg OSPL90 110dB ± 4dB
    Full Gain (High Frequency Avg) 26dB ± 5dB
    Total Harmonic Distortion ≤5% + 3%
    Frequency Response Range 300Hz – 5000Hz
    Equivalent Input Noise Level ≤22dB + 3dB
    Current Consumption (Hearing Mode) ≤2.5mA
    Charging Voltage DC 5V / 1A
    Charging Port Micro USB
    Battery Type Rechargeable Lithium Battery
    Standby Time Up to 180 hours
    Number of Channels 16 Channels
    Volume Levels 5 Levels (0-1-2-3-4-5, default level 4)
    Scene Modes 4 Modes (General / Outdoor / Indoor / Movie)
    Bluetooth Version BT5.3
    Bluetooth Name CH-F331
    Bluetooth Frequency 2402 – 2480 MHz (2.4GHz ISM band)
    Bluetooth Range 10 meters (typical)
    Operating Environment Temperature: 0℃~40℃, Humidity ≤80%
    Storage Environment Temperature: -20℃~55℃, Humidity ≤93%
    Waterproof Level IPX0 (Not waterproof)
    Power Supply Type Internal Power Equipment
    Applied Part Type B
    EMC Classification Group 1, Class B (GB 4824)
    Accessories Charging Case, Eartips (S/M/L), Charging Cable, User Manual

     

     

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