MICRO PLUS is a personal sound amplifier that provides up to 50 dB of sound amplification. It's very discreet and resembles a cell phone earpiece, so you no longer have to hide it. Flexible ear hook easily adjusts to fit all ear shapes and sizes and converts for right/left ear wear. Micro plus is equipped with a volume control to adjust the level to your individual needs.
Input voltage:1 Battery cell (1.5V/AG3X1) battery
Operating current:5mA
Speaker impedance:180Ohm
Gain:50dB+/-6dB
Output power:5mW
Amplifier frequency response:200-4000HZ