Language Teaching SoftwareBL-2008 Language Teaching Software is an application software system based on windows operation system, which is mainly used in speech teaching platf
Stereo HeadsetStereo ComputerHeadset Technical Specification: 1)good quality and competitive price 2)portable CD/DVD computre 3)stereo excelle sound 4)OEM phone mi
High Quality Stereo HeadphoneHeadphone Main technical indexes: 1)Impedance :2×16Ω; 2X32; 2)Sensitivity : 110±3dB 3)Frequency range : 20 20000Hz 4)Rated power
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