USB 5.1 Hi-Fi Sound Card Computer Stereo Surround Sound Speaker

Unlike an internal sound card, this Sound Speaker can be used without having to open the computer. It lets you add a standard 3.5mm analog audio/microphone connections to your system through USB. With this Sound Card, you will enjoy a hi-fi home-theater quality sound experience.
Features
2.0/2.1/4.0/5.1 stereo speakers.
With high fidelity music output/surround music output/computer music decoding output.
Come with a RCA speaker output.
The computer audio input needs to install the CO-ROM drive.
3.5mm headphone and 3.5/6.5mm mic ports.
Hardware volume knob and bass/treble boost EQ switch.
Support loudspeaker, stereo an AUX function.
Support lots of windows system, such as Windows 7, Windows Vista, Mac OS, and Windows XP.
Compatible with iPhone, MP4, PSP, MP5, Laptop, Mobile Phone, Tablet PC, PC, iPod, MP3.
Specifications
Model A990
Frequency 20Hz-20KHz
Power Source USB
Charging Voltage DC 5V
Weight 430g
Product Size 9 x 7.3 x 3.3cm
Package Size 13.7 x 17.7 x 5cm
Package Include 1 x Speaker, 1 x CD Driver, 1 x USB cable, 1 x 3.5 to 3.5mm Audio Cable