【About Delmicure Hearing Aids】 For three decades, Delmicure has been dedicated to practical, reliable hearing aid solutions for everyday life. Our digital rechargeable hearing aids combine noise reduction, comfortable wear, and user-friendly design to help adults and seniors enjoy clearer conversations with confidence. ✅ Delmicure VHP-1631 Auto ON/OFF Hearing Aids for Seniors Delmicure VHP-1631 hearing aids for seniors are rechargeable hearing aids designed for adults and seniors who want simple and comfortable sound support for everyday listening. These in-ear hearing aids feature Auto ON/OFF operation, a magnetic charging case, L/R and charging case battery display, adjustable volume control, and a mini, nearly invisible design for daily conversations, TV watching, outdoor talks, travel, and home use. Auto ON/OFF Hearing Aids: Remove the hearing aids from the charging case to turn them on, and place them back into the case to turn them off and start charging. This senior-friendly design makes daily use simple and convenient. Rechargeable Hearing Aids with Charging Case: Each hearing aid provides up to 36 hours of use per charge, with up to 90 hours of total use when combined with the magnetic charging case. The case provides convenient storage and charging, reducing the need for frequent battery replacement. Mini In-Ear Hearing Aid Pair: Compact and lightweight, these in-ear hearing aids are designed for nearly invisible wear while supporting comfortable everyday listening. L/R & Charging Case Battery Display: The LED display shows the charging case power level and the separate battery status of the left and right hearing aids, making it easy to check power at a glance. Adjustable Volume for Daily Listening: The built-in volume control allows users to adjust sound levels for conversations, TV watching, outdoor activities, and different listening environments. Multiple Ear Domes for Better Fit: Extra ear domes help users choose a more secure and comfortable fit, which may also help reduce whistling caused by improper placement. ✅ Product Specifications Max Output (OSPL90): ≤114 dB +3 dB Full-On Gain (HFA FOG@50): 26 dB ±5 dB Total Harmonic Distortion (THD): ≤5% Equivalent Input Noise (EIN): ≤29 dB +3 dB Frequency Range (F1-F2): 350–5000 Hz Product Size: 0.62 × 0.44 × 0.48 in Product Weight: 0.08 oz each ✅ Package Includes 2 × Hearing Aids with Ear Domes 1 × Portable Magnetic Charging Case 8 × Extra Ear Domes (S/M/L) 1 × Type-C Charging Cable 2 × Cleaning Brushes 1 × Operation Manual ✅ Tips to Reduce Whistling or Feedback Noise Whistling is a common occurrence in hearing products. If you hear whistling or unwanted noise, it may be caused by microphone feedback or an improper fit. Try the following tips: Choose the correct ear dome size for a comfortable and secure fit. Keep the volume at a low level when first placing the hearing aids in your ears. After insertion, gradually increase the volume to a comfortable level. Warning: For adults 18 years of age and older. If you are under 18, consult a doctor or qualified hearing healthcare professional. This product contains small parts and may pose a choking hazard. Do not swallow. Keep out of reach of children.