Edifier R12U 2.0 Multimedia Desktop Speakers USB Black

This compact and affordable Edifier 2.0 USB powered speakers is designed for use with a PC or laptop where you can power your speaker by connecting it to your computer with a USB cable. Despite its compact size, it is surprisingly good at producing clear and rich sound with the built-in bass reflex port.  
You can turn your speaker on or off and adjust the volume with a simple knob at the front. The stereo audio cable with 3.5 mm plug allows you to plug in your PC, laptop or smart phone directly to the speaker and play your favourite music. You can even plug in your headphone to the speaker for privacy.

• Active Speakers Powered By USB
• 3.5mm auxiliary input. Volume control
• Bass reflex port for superior bass
• Headphone jack for private listening

Total Power Output: RMS 2W x 2(THD+N=10%,F0=1KHz) 
Signal to Noice Ratio: 85dBA 
THD(Total Harmonic Distortion): 0.5% 
Frequency Response: 30Hz ~ 20KHz(±5dB) 
Input Sensitivity: 700mV ± 50mV 
Input Type: AUX 
Speaker Driver: 2.25 inch full range driver(60mmm)