Item Type: USB Business Headset Material: ABS Model: H360D USB ENC Color: Black Type: Binaural Plug: USB Plug Function: Call, Speaker Volume Adjustment, Mute, Microphone Mute Scope of Application: Used for Devices with USB Interface Speaker Parameters: Sensitivity: 1053dB (at 178mV 1kHz) Voice Coil Impedance: 15015 (at 1kHz) Frequency Characteristics: 100Hz-10kHz Distortion: 5% (at 178mV 1kHz) Microphone Parameters: Directivity: Single Point Sensitivity: -402dB (2.0V, 2.2K, 1kHz) Distortion: 5% (at 4.5V 2.2K 1kHz) Frequency Characteristics: 200Hz-6kHz Current Consumption: 100-500A Package List 1 x USB Business Headset 1[Active Noise Reduction] This USB headset with HD microphone can be twisted at will. ENC active noise reduction gives you a clearer voice and provides clear conversations in noisy environments. 2[Multi Function Wire Control] USB wired headset, compatible with devices with USB ports. Plug and play, no driver required, support speaker volume adjustment, mute, microphone mute, easy to use. 3[Comfortable To Wear] Binaural business headset with soft ear cushions and flexible headband that won't put any burden on your ears. Ultra lightweight and comfortable design allows you to focus on your conversations. 4[Flexible And Durable] USB wired headphone with rugged construction design, premium ABS material to ensure superb performance, wear resistant and durable. Long headphone cable for your mobility. 5[Wide Range Of Use] Wired business headphone, can be widely used in different scenarios such as home, office, call center, telemarketing, customer service, teleconferencing, etc, to meet all your daily needs.