Feature:1、Super long working time for the elderly to use all day;2、Intelligent noise reduction system, restore the real voice;3、Mini appearance and small size, very invisible when wearing;4、Small and light, with soft earplugs, no damage to ears if worn for a long time;5、With charging compartment, power can be supplied anytime and anywhere, and it is convenient to carry outSpecification:Maximum sound pressure level ≤112±3dBHigh frequency average: 103±4dBFull range sound gain 30±5dBFrequency response range 200Hz-5000HzInput noise level≤30dBTotal harmonic distortion≤10%Package include:1* Hearing Aid Case2* Hearing aids1* Charging case2* Cleaning brushes5 pairs of * earplugs1* Instruction manualNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.