Feature:1. HIGH COMPATIBILITY: The business headset has wide compatibility, compatible with devices with 2.5mm headphone jack.2. WIDE APPLICATION: Ideal for home offices, call centers, telemarketing, insurance, customer service, teleconferencing, and more.3. CLEAR SOUND: Noise cancelling phone headphones make your voice loud and clear. The microphone can be twisted at will. Plug and play, no driver required.4. LIGHT AND COMFORTABLE: Ultra lightweight design ensures you stay focused on your conversation, with soft ear pads and flexible headbands for lasting wear comfort.5. HIGH DURABILITY: The earphones are designed with solid construction and high quality ABS material for superior performance and durability.Specification:Item Type: Business HeadsetMaterial: ABSModel: H360-2.5Colour: BlackType: MonauralPlug: 3 Sections Single 2.5mm (Small Bend)Function: CallScope of Application: Compatible with Devices with 2.5mm Headphone JackSpeaker Parameters:Sensitivity: 1053dB (at 178mV 1kHz)Voice Coil Impedance: 15015 (at 1kHz)Frequency Characteristic: 100Hz-10 kHzDistortion: 5% (at 178mV at 1kHz)Microphone Parameters:Directivity: Single PointSensitivity: -402dB (2.0V, 2.2K, 1KHz)Distortion: 5% (at 4.5V 2.2K 1kHz)Frequency Characteristic: 200Hz-6 kHzCurrent Consumption: 100-500A.Package List:1 xBusiness Headset