Dangtang Dc1.5v Mini Sound Amplifier Adjustable Tone in Ear Hearing Aids for Watching Movie, Enjoying the Drama, Attending Meeting

Description

Specification: 1. Max sound output: 110±5dB 2. Sound gain: ≥30dB 3. Total harmonic wave distortion: ≤10% 4. Frequency range: 300-4000Hz 5. Input noise: ≤40dB 6. Voltage: DC1.5V 7. Current: ≤4mA 8. Color: As pictures Package Included: 1 x Hearing Aids 2 x AG3 Button Cells 1 x Instruction Manual 1 x Case 2 x Units of earplug of different size