mini speaker
(1)host dimensions: L 240 W105 H 98 (MM)
(2)Output power : 3wx2
(3)speaker size :1.5"
(4)Impedance:4
(5) USB provide power, mini stereo system.
High-efficience Class-D professional digital vedio amplifier.3D sound effect .
Adapt to different kinds of device, such as laptop ,, mp3,mp4,CD,mobile phone