32-Channel In-Ear Hearing Amplifier for Seniors with Charging Case Noise Reduction & Comfort Fit 1. This in-ear hearing amplifier offers two models (APP Smart Self-Fitting Standard) with 32-channel sound processing, designed specifically for seniors. It includes a portable charging case and features Bluetooth connectivity, active noise cancellation, and a lightweight ergonomic design for daily comfort. 2. Secure & Comfortable Fit: The silicone ear tips conform naturally to ear contours, providing a secure fit without pressure. Ultra-lightweight design ensures all-day wearability. 3. Smart Dual Noise Cancellation: Advanced feedback suppression technology and dual noise reduction eliminate whistling and background interference, ensuring clear speech focus in crowded environments. 4. Self-Fitting App Control: The bilingual app (ChineseEnglish) offers intuitive self-fitting adjustments, volume control, and mode switching (e.g., indooroutdoor). Simple interface prioritizes ease of use for elderly users. 5. Fast Charging & Extended Use: The earpiece (35mAh) charges fully in 1-2 hours via the 300mAh charging case, providing up to 5-6 hours of standby time. The case supports 3-4 full recharges. 6. Full-range gain: 40+-5dB 7. Frequency response range: 200-5000Hz 8. Dimensions: 64 x 64 x 29mm