This Certified Refurbished product is tested & certified to work like-new. The product is backed by a 90 day warranty Full HD 1080p video calls on Skype with sharpest video-call picture; HD 720p video calls on favorite IM services like Yahoo! Messenger and Gmail Voice H.264 hardware encoding for faster, smoother HD experiences, OS support- Windows XP x32 / x64, Windows Vista x32 / x64, Windows 7 x32 / x64

【SIMPLE ELLIPTICAL STRUCTURE】Metal and high quality plastics make it steady without vibrating sound. Black and silvery color and the blue oval lamp ring make speakers show the beauty of metal curved lines. Adopted the low-voltage digital power, the maximum power can be 5W x 2, ensure the sound clear, bright, rounded and thick. 【SUPERB SOUND QUALITY】Closed Cavity and Low Frequency Aid Design to provide strong bass performance. In order to make up for the lack of bass of the Mini 2.0 speakers, the unique acoustic resonator structure which using the enclosed low-frequency aid design makes the sound more penetrating and powerful. 【360 DEGREE STEREO SOUND】2.0 Channel stereo speakers, enjoy the best stereo effect need to separate 2 speakers, for example, the two speakers are separated from the distance of 1 meter, the two speakers and people should be 1 meters distance, then the two speakers and people is an equilateral triangle, such a position, you will hear the best stereo effect.