Osunlin Computer Speakers,Wired Computer Sound Bar,Stereo USB Powered Multifunctional Home Theater Desktop Soundbar Speaker for PC Cellphone Desktop Computer Tablets Laptop (Black);

Microphone & Headphone Enabled: 3.5mm microphone input and headphone output make it handy for late-night movies or gaming sessions.

Note:If you want to hook the sound bar up with TV, you should make sure the TV has 3.5mm audio output. Or the TV have RCA output, you could get the 3.5mm Audio female Cable to 2 RCA Male Cable to make it work.
Specifications:

Output power(RMS) :5W x2
Speaker unit :2'' x2
Frequency response :50Hz-20Hz
Power supply :DC 5V
Speaker Size: 18.8x 2.4 x 3 inches
Package contains:
1 x U300 Sound bar
1 x User Guide