Feature

●You can adjust the volume level of the microphone (3.5mm audio plug) or monitor the sound input from the microphone in real time
●Powered by one 1.5V AAA alkaline battery (sold separately). Low power consumption circuit design provides up to 10-15 hours runtime
●Low noise circuit design, 16 level electronic volume control, long life and durable in use
●Built-in phone/camera microphone system switching circuit. Compatible with multiple video/voice recording devices
●To ensure a reliable connection, use a superior 3.5mm nut interface socket


Description

Features:
You can adjust the volume level of the microphone (3.5mm audio plug) or monitor the sound input from the microphone in real time.
Powered by one 1.5V AAA alkaline battery (sold separately). Low power consumption circuit design provides up to 10-15 hours runtime.
Low noise circuit design, 16 level electronic volume control, long life and durable in use.
Built-in phone/camera microphone system switching circuit. Compatible with multiple video/voice recording devices.
To ensure a reliable connection, use a superior 3.5mm nut interface socket.

Specifications:
Model: EY-580S
Gain: -18dB~+12dB (audio line output); -5dB~+25dB (earphone monitoring output)
Frequency response: 20Hz-20KHz
SNR (signal-to-noise ratio): > 92d
Degree of Distortion: <0.5%
Power: 105 mW (earphone monitoring output)
Volume adjustment: 16 levels (2 dB each level)
Operating voltage: DC 1.5V
Operating current: 30mA (static static)
Cable Length: Approx. 1 meter
Item Size: 3.1 x 1.3 x 0.6 inches (8 x 3.3 x 1.5 cm).
Net Weight: 49g / 1.7oz
Package size: 17 * 10 * 4.5cm / 6.7 * 3.9 * 1.8in
Package Weight: 4.9 oz (140 g)

Package Contents:
1 x Microphone Amplifier.
1 x monitor earphone
1 * 3.5mm to 6.5mm audio adator
1 x Carrying case.

Note:
AAA batteries not included.