1. Long working hours, suitable for the elderly to use throughout the day;2. Intelligent noise Reduction system to restore real sounds;3. Mini appearance, small size, very invisible when worn;4. Compact and , equipped with soft earplugs, which can be worn for a long time without damaging the ears;5. Equipped with a charging compartment, it can provide power anytime and anywhere and is easy to carry1. Super mini style, invisible USB charging stand.2. There is no restriction on left and right ears.3. Simple operation, one-button switch4. There are 5 sound adjustments, suitable for moderate to severe hearing loss.5. High-fidelity sound, intelligent noise REDuction6. ic charging, compact carrying bag.What is a hearing aid:refers to a complete canal hearing aid, which is the smallest hearing aid currently available and is not easy to spot even from the side. It can be placed into the ear canal, reaching or exceeding the second physiological curvature of the external auditory canal, and is very close to the eardrum, and its amplification effect Characteristics are closer to the physiological characteristics of normal human earsMaximum sound output:110 dBHarmonic distortion:less than equal 15%Frequency range:250-5500HzMaximum sound gain:30db5dBInput noise:less than equal 25dBBattery model:Ni- rechargeable batteryWorking voltage:dc1.5VWorking current:less than equal 4mAColour:BlackMaterial:ABSPackage Contents:1 * charging cable1 pair * hearing aids (left and right)1 * tuning stickOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.