Convertible from over-the-head to over-the-ear (B or C type) NC microphone and quick disconnect. The superior flexibility of adjustable headband and T-bar provide ultimate comfort and stability Acoustic shock protection for receiver & surge protection for microphone Light flat type boom with both omni-direction and noise-cancellation microphone. CE & FCC Approved

The natural comfort adjustment by Headband,s freely moving from up & down to right & left, flexible T-bar Adopted Voice Qualified Technology to be more clear sound Noise canceling microphone Acoustic shock protection and noise reduction receiver CE & FCC Approved

Headset/Handset selection switch, Compatibility adjustment by 2 pin slide switch Comply with most of Single-line / Multi-line telephones Headset / Handset selection switch Mic. Polarity selection switch for exact compatibility of Mic. Mute switch for temporary call suspension No battery required

w/PC keypad design +DH-07U head, Two headset jacks for agent and supervisor Flash time adjustment switch Receiving volume control Transmission volume control Tone controller to quality low and high sound Mute switch for temporary call suspension Simultaneous call selection Extension jack to the other phone and modem Recording jack for external recorder LED light in use Mute switch (LED light) for agent or supervisor

Universal compatibility cord, Works with most desk phones incl. IP hard phones Simple 8 position slide adjustment Standard RJ-9 connector Build in low current mic. Amplifier for telephone that require extra signal gain such as Cisco, Panasonics, Nortel & Avaya plus many IP Phone Specially works well with Avaya 1600 Series

USB headset adapter for VOIP, Digital USB adapter with fingertip call control on/off button for quick and easy access VOIP communication Replace mouse to receive a call and search for application icons and control buttons to make a call Mute switch for microphone Provides crisp and superior sound quality for SKYPE or Microsoft Office Communicator or other voice drive application

Multi-purpose switch w/traing function, Mute for trainer or trainee or both Handset / Headset selection switch Recording jack connect to exterior recorder or PC 2 positions compatibility switch and automatic polarity detection Valid on Wireless Headset only

Carbon amplifier for auto-call distribution, Both headset jack for an agent & supervisor Receiving and transmitting volume control Mute switch for temporary Mic. Cut Jack for exterior recorder Headset compatibility switch Headset compatibility switch - GN Netcom, Plantronics ACS headsets available CE & FCC Approved

For standard digital and analogue phone For Cisco IP phone