Frequency range: A52180Hz~21KHz, -6dB

Inside Build-in:
USB Hub
Sound Card
Class A Amplifier

Drive units:
1 x 40mm ( 1.57 in) bass
2 x 28mm ( 1.1 in) metal dome tweeter Power

Input voltage: 5-pin USB Cable ( 5V/500 mA )

Amplifier output: Power 2.2 W
Inputs 3 x USB 2.0 connector

Dimensions:
Min 278 x 54 x 35 mm
Max 340 x 54 x 35 mm

Cover: Changeable color cover