Feature:1. [Noise Reduction] Telephone headset with high definition microphone can be twisted at will, allowing you to speak clearly in a noisy environment, with less noise and clearer sound.2. [Comfortable Design] The soft ear cushions and flexible headband will not cause any burden on your ears, provide you with an ultra light wearing experience, and ensure you concentrate on your conversation.3. [Easy To Use] Wired business headset, RJ9 plug, plug and play, no driver required, support for speaker volume adjustment, microphone mute, six speed line sequence adjustment, easy to use.4. [Flexible And Durable] The headphone adopts a sturdy structure and material design to ensure super performance and make it durable, the long cord allows you to move more flexibly.5. [Widely Compatible] Suitable for devices with RJ9 headphone jacks, it is an ideal choice for home, offices, call centers, telemarketing, customer service, teleconferences, etc.Specification:Item Type: Telephone HeadsetMaterial: ABSModel: H360-RJ9-MVAColor: BlackType: Single EarPlug: RJ9 Crystal HeadFunction: Call, Speaker Volume Adjustment, Microphone Mute, Six Speed Line Sequence AdjustmentScope of Application: Used for Devices with RJ9 Headphone JackSpeaker Parameters:Sensitivity: 1053dB (at 178mV 1kHz)Voice Coil Impedance: 15015 (at 1kHz)Frequency Characteristics: 100Hz-10kHzDistortion: 5% (at 178mV 1kHz)Microphone Parameters:Directivity: Single PointSensitivity: -402dB (2.0V, 2.2K, 1kHz)Distortion: 5% (at 4.5V 2.2K 1kHz)Frequency Characteristics: 200Hz-6kHzCurrent Consumption: 100-500A.Package List:1 x Telephone Headset