Ready Stock Rechargeable Ear Aid Hearing Device For Elderly Portable Rechargeable Hearing Aid Device Adjustable Volume Portable Listening Equipment For Senior Daily Usage

Rechargeable Hearing AidTechnical Specifications:• Max Audio Output: ≥120dB• Noise Amplification: ≥30dB• Haonic Distortion: ≤15%• Frequency Range: 250-3800Hz• Input Noise: ≤50dB• Operating Voltage: DC 1.5V• Operating Current: ≤4mA• Product Dimensions: 29×19×19mm• 5-Level Volume Control Key Features:• Compact Size, Powerful Perfoance• Clear & Loud Sound• Includes & Advanced Technology User Guide:1.Getting Started:Begin with short wearing sessions (1-2 hours/day)Gradually increase both volume and wearing timeStart by training your ears in quiet environments2.Adaptation Training:✔Time: Short → Long✔Volume: Low → High✔Environment: Quiet → Noisy3.Sound Leakage Issues & Solutions:• Common Causes:Loose earplug fitEarwax buildupObjects near the device• Solutions:Ensure proper earplug sealClean ears regularlyUse correct earplug size4.Operation Steps:① Connect silicone tip② Turn switch to "ON"③ Insert into ear & adjust volume⚠️ Important Tips:• Keep away from water and high humidity• Store in dry place• Charge battery regularly