Host Interface USB Type A Package Contents ENGAGE 40 Headset, Carry Pouch, Warranty Earpiece Design Over-the-head Earpiece Type Monaural Driver Size 0.79' Microphone Technology MEMS Technology Microphone Design Boom Integrated Microphone Yes Cable Length 5.25 ft Sound Mode Mono Connectivity Technology Wired Features SafeTone 2.0 Technology, Comfortable, PeakStop, Busylight, Durable, Noise Isolation, Noise Reduction Minimum Frequency Response 50 Hz Maximum Frequency Response 20 kHz