Built with Enhanced Noise-Cancelling(ENC) Microphone Stereo soundfor enhancedclarity BraidedUSB Cable forlonglastingdurability ComfortableandExcellentaudioperformance DeepBass Powerful Speaker Stable PlugandPlay Connectivity Lightweight comfortabledesign Variants: LT-320DU| LT-320DUPlus (ENC) Seires