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USB Adaptor cord
Connect headsets to computers, VoIP calls, Skype calls or other IM systems,
Volume Controller: Speaker Volume up and down, MIC on and off
With Sound Card: Apply to any software like windows98/2000/XP/7
USB cable MRD-USB001
xiamen mairdi electronic technology co.,ltd
center, headset, telephone, aviation, heaset, teelephone
