WESDAR Computer Speakers, 3.5mm USB Powered Subwoofer PC Speakers for Desktop Laptop Notebook, Pack of 2 (Orange)

Features:
-Perfect sound with 3D Stereo Effect
-USB Powered, no adapter or amplifier required.
-Plug and use, no driver needed
-Full frequency speakers.
-Easy and simple connection to tablet, notebook, MP3/MP4 or other music source with USB interface and 3.5mm interface.

Specifications:
Effective Power: 5W x 2
Charging Voltage: DC5V
Fre. Response: 90Hz-20KHz
SNR (Signal-to-noise Ratio): 70dB
Impedance: 3ohm
Speaker Unit: L/R channel x 2
Sizes:3.93 x 4.13 x 4.33inch
Weight:17.9 OZ