101Z 6W USB 2.0 Mini Portable Speakers Computer Soundbox with 3.5mm Stereo Jack and USB Powered for PC Laptop Smartphone

Features:
– Mini speaker, black shape, simple and fashionable design.
– Excellent sound quality, good sound recovery effect and high output power.
– With 3.5mm audio port and USB power interface, the compatibility is strong.
– Adjust the volume with knob, and choose the volume that suits you.
– Small size, easy to carry around.
– Accompanying speaker for PC / MP3 / MP4 and notebook.

Resistance: 4Ω

Signal to Noise Ratio: > = 80dB

Unreality: < = 0.3%

Sensitivity: 84dB

Speaker Size: 2"