Best Ear Volume Adjustable Sound Voice Amplifier Hearing K-82 3 Earplug

Description

Specifications: Maximum saturation sound pressure: 129dB ± 4dB Maximum file acoustic gain: 48dB ± 5dB Harmonic distortion: ≤18% (450≤F≤5000) Frequency response: 450-3500Hz Equivalent input noise: ≤ 30dB Battery type: AG3 button cell Operating voltage: 0.2 ± 0.1V Operating current: ≤ 4mA Color: Beige Product weight: 3 g Package weight: 51 g Product size (L x W x H): 2.0 x 1.9 x 1.3 cm Package size (L x W x H): 8.5 x 3.5 x 9.0 cm Warranty 3-year manufacture warranty Package content: -1 x K-82 Hearing Aid - 3 x Earplug -1 x User Manual 2* batteries