Item Type: TypeC Single Ear Headset Material: ABS Application: Suitable for connectable TypeC interface devices, ideal for Skype chat, business, call center, conference call, listening and speaking, dragon talk, online courses, web seminars, etc. Rotatable Head Card 90 Rotatable Swing Arm 330 Speaker Parameters: Sensitivity: 1053dB (At 178mV 1kHz) Voice Coil Impedance: 15015 (1kHz) Frequency Characteristics: 100Hz-10kHz Distortion: 5% (At 178mV 1kHz) Microphone Parameters: Directivity: Unidirectional Sensitivity: -402dB2.0V, 2.2K, 1kHz Distortion: 5% (At 4.5V 2.2K 1kHz) Frequency Characteristics: 200Hz-6kHz Current Consumption: 100-500A Package List 1 x Telephone Headset 1The TypeC interface lets you connect this headset to your device, also has a USB connector for even more flexibility. 90 rotatable head and 330 rotatable microphone boom. 2Reinforced wire designed by for Kevlar can withstand harsh environments and prevent office chair wheels and sharp objects for daily use. Compete with for Jabra headsets and can be used all day. 3Business grade broadband headset for clear calls, acoustic shock protection (ASP), professional headset for use in call centers and offices, even in a noisy environment with HD audio sound. 4Super lightweight office headphone with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance allday wearing comfort. 5Skin friendly soft earpad, flexible headband and super lightweight design, can ensure you concentrate on your talk with comfortable wearing experience.