Rechargeable Digital Hearing Aid Ear Plug Volume Enhancement Sound Amplifier

Features:1. Rechargeable: no need to change battery.2. An internal speaker with the smooth sound.3. Digital sound processing allows the user to control volume and programs.4. It can filter out unwanted noise caused by airflow or wind.5. Moisture resistant, durable, portable.6. Separate wire and headphone, more convenient and safety.7. Can reduce electromagnetic interference effectively.8. Suitable for severe hearing loss people. Description:Maximum saturation sound pressure: 129dB±4dBMaximum file acoustic gain: 48dB±5dBHarmonic distortion: ≤18% (450≤F≤5000)Frequency response: 450-3000HzEquivalent input noise: ≤30dBBattery type: Li-ion batteryOperating voltage: 0.2±0.1VOperating current: ≤4mAColor: beigeSize: approx. 1.8 x 1.4 x 1.6cm / 0.7 x 0.5 x 0.6’’ (H x L x T) Package Included:1 x hearing aid1 x carrying case1 x EU plug4 x earplugs1 x user manual Note:Please clean the ear plugs regularly in order to ensure the normal use of hearing aids. More Details: