Weight: 101g;

Dimensions: 7.48 in x 2.40 in x 2.40 in (19.0 cm x 6.1 cm x 6.1 cm);

Brand: N/A;

Model: N/A;

Quantity: 1;

Color: Black + green;

Material: Plastic + PCB + Components;

FM: 87.5~108MHz;

Working voltage: 7.4V;

Battery Type: Li-ion battery;

Input: 9V / 1A;

Button: VOLUME: Control sound volume when playing USB / Micro SD card / FM;

MIC ECHO: Control reverbration volume during microphone input;

MIC VOL: sound volume switch of microphone / guitar;

GUITAR IN: Guitar input;

LOW BATTERY CHC: battery volume indicator: red: <4.3V, green: >8V;

MIC IN: Microphone input;

MODE: AUX / FM / USB / Micro SD card shift in order;

LED: Red light flashing when playing or FM searching;

Application: DIY Karaoke amplifier.

Features:

Supports USB / Micro SD card (MP3 format);

Supports external audio input;

Supports wireless microphone input;

Supports memorize playing song and voice volume when power down;

Constant light when USB / Micro SD card pause playing or in AUX mode.