Усилители слуха с шумоподавлением Усилитель звука для взрослых Audiphone для глухих

Description:The deaf-aid is made of high-grade materials, safe and healthy, which makes you feel at ease.The deaf-aid has high power, open design and clear sound quality, which can reduce the noise caused by chip and restore natural sound.The sound amplifier is easy to operate and can be used without debugging.The deaf-aid uses a button battery, it can work up to 600 hours and is very durable.Sound amplifier is mini size, light weight, comfortable to wear, easy to carry.Specification:Shell material: ABS.Color: left ear blue, right ear red.Size: 1.8x1.5x0.9cm.Battery: 1 x button battery. (up to 600 hours of battery life)Maximum saturated sound pressure level: ≤ 115 + 3.Frequency response range: 300HZ-4500HZ.Equivalent input noise level: ≤ 29dB + 3dB.Total harmonic distortion: ≤ 7% + 3%.Note:There might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement.Package Included:1 x deaf-aid.1 x user manual.1 x button battery.1 x silicone earplug.Package Including.