GM 105 Smart Noise Cancelling Ear hook Rechargeable Elderly Hearing Aids Spec US Pulg Skin Color

1 Material ABS electronic components2 Function hearing aids intelligent noise reduction waterproof anti drop3 Frequency response range 500Hz 3200Hz4 Rated current consumption less than 2mA5 Output sound pressure level 116 124db6 Full sound gain 33 43db7 Built in battery 50mAh lithium battery8 Working time about 10 days9 Ergonomically designed ear hooks comfortable to wear no ear pain10 Rotatable design sound guide tube can be worn on both left and right ears11 The earplugs are available in four different sizes12 Sweat proof and drop proof durable13 Intelligent noise reduction processing chip double noise reduction analysis and removal of various noises