Connectland CL-SPK20037 USB Powered Stereo Speakers is on sale at Amazon for only $10.40. Free shipping with Prime member or if you spend over $25
* Frequency response: 100 Hz ? 20000 Hz. S/N ratio > 45 dB. Powered by USB port.
* Plug type: USB and 3.5mm stereo jack required. Power ON/OFF.
* Volume control. Power LED. Merge two speakers into one sound bar.
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