Hearing Amplifier for Elderly 【2025 New Model, Released in July, Fits Small Ears】 4-Level Volume Adjustment, Easy Operation, Voice Amplification Device, 3.2g Lightweight Design, Compact, Type-C Rechargeable, Up to 20-30 Hours Continuous Use, Automatic Power ON/OFF, Battery Level Indicator, 300mAh Charging Case, Ergonomic Design, Fatigue-Free, In-Ear Design, Ideal for Respect for the Aged Day and Birthdays, Japanese Instruction Manual