DH-02 Digital Language Laboratory DH-02 Digital Language Laboratory Student Terminal'sMain Function: 3-Inch LCD Display Headphone & Microphone Automatic Detection Headphone & Microphone Unit Digital Recording Audio On Demand Volume Control Bookmark Play Text Along With Reading Variable Speed Play AB Play E-hand Rising Intercom Demonstration Authentication Self-test Listening Test Oral Examination Line Out Terminal Reset Repeated Listening Sub-track Recording And Playback Pricelist of NDE2 DH-02 All-digital Language Learning System (40 Seats)ModelComponentQuantity ( PC/SET )Price (FOB Ningbo)Unit Price (USD)Amount (USD)DH-02Teacher ConsoleVoice Card1Multimedia Controller1Voice Switch1DH-02 Digital Language Learning System Control Software1Teacher Headset1Student UnitStudent Unit(DH-02)40Headset40AccessoriesPower of student units (Built-in Voice Switch Box)1Data line, video cable, audio cable and other cables1 SetTotal Amount