Item Type: Telephone Headset Material: ABS Rotatable Head Card 330 Rotatable Swing Arm 330 Speaker Parameters: Sensitivity: 1053dB(178mV 1KHz) Impedance: 150151KHZ Frequency Characteristics: 100Hz-10KHz Distortion: 5% (at 178 mV 1KHZ) Microphone Parameters: Directivity: Single Point Sensitivity: 402dB(2.0V,2.2K,1KHz) Distortion: 5%(4.5V 2.2K 1KHZ) Frequency Characteristics: 200Hz-6KHz Current Consumption: 100-500A Application: Suitable for devices that can be connected to RJ9 interface, very suitable for skype chat, business, call center, conference call, listening and speaking, long-speaking, online courses, web seminars, etc. Package List 1 x Telephone Headset 1 x Manual 1Wideband audio solutions provide natural and clear hearing. Antiacoustic shock can block sudden sounds to protect hearing. 2The ultracomfortable phone headsets are equipped with soft protein artificial leather ear pads, which are userfriendly and hygienic. 3The adjustable headband is suitable for different head sizes. The earmuffs can be rotated and worn all day. 330 rotating head card, 330 swing arm microphone. 4Businessgrade broadband headsets can achieve clear calls and acoustic shock protection, can be used for phones in call centers and offices. 5With highdefinition audio sound, it can ensure that the call center, office and home PC chat can communicate clearly even in a noisy environment. 6Designed with reinforcing line, which can withstand harsh environments and prevent sharp objects for daily use.