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--------------☀Welcome to CCING☀------------- ✔Good Quality✔Available✔Lowest Price ✈Shipping from oversea,items will arrive your home in 1-2 week. ⏩If you follow us and screenshot to us, you will have a free gift. Please Enjoy Your Shopping Time↖(^ω^)↗ Feature: 1. Suitable for devices that can be connected to RJ9 interface, rotatable head card 330°, rotatable swing arm 330°. 2. Business headset can achieve clear calls, anti sound shock to protect hearing, professional PC headsets can be used in call centers and offices. 3. Wideband audio provides high definition audio sound, which can ensure clear communication even in noisy environments. 4. Equipped with soft protein artificial leather ear pads and rotatable earmuffs, comfortable to wear all day, adjustable headband, suitable for different head sizes. 5. The use of for Kevlar's reinforcement line can withstand harsh environments and prevent office chair wheels and sharp objects used in daily use. Compete with for Jabra headset, can be used all day. Specification: Item Type: Monaural Headset Material: ABS Application: Suitable for devices that can be connected to RJ9 interface, ideal for Skype chat, business, call center, conference call, listening and speaking, dragon talk, online courses, web seminars, etc. Rotatable Head Card 330° Rotatable Swing Arm 330° Speaker Parameters: Sensitivity: 105±3dB (At 178mV 1KHz) Voice Coil Impedance: 150±15Ω (1KHz) Frequency Characteristics: 100Hz-10KHz Distortion: ≤5% (At 178mV 1KHz) Microphone Parameters: Directivity: Unidirectional Sensitivity: -40±2dB（2.0V, 2.2KΩ, 1KHz） Distortion: ≤5% (At 4.5V 2.2KΩ 1KHz) Frequency Characteristics: 200Hz-6KHz Current Consumption: 100-500υA Package List: 1 x Telephone Headset1 x Manual #SingleEarHeadphone #TelephoneHeadset #CommunicationHeadset #OfficeHeadset #BusinessHeadset #BandwidthComputerHeadset