1. NOISE REDUCTION MICROPHONE: The phone headset with HD microphone that can be adjusted in any way to make your voice loud and clear. Provides clear conversations even in noisy environments.2. LIGHTWEIGHT AND COMFORTABLE: Telephone headset features soft ear cushions and a flexible headband that won't put any strain on your ears. Super lightweight design ensures you stay focused on your conversation.3. EASY TO USE: Phone headphone has USB, USB C, 3.5mm three kinds of interfaces, plug and play, no driver required, easy to use. Supports speaker volume adjustment and microphone mute.4. WIDE APPLICATION: Business headphone is compatible with devices with USB port. Ideal for home, offices, call centers, telemarketing, customer service, conference calls, and more.5. HIGH DURABILITY: The telephone headset is designed with sturdy construction to ensure superb performance and long service life. The long headphone cable provides flexibility for mobility.Specification:Item Type: Phone HeadsetMaterial: ABSColor: BlackType: MonauralPlug: USB Interface, USB C Interface, 3.5mm InterfaceFunction: Support Speaker Volume Adjustment, Microphone MuteApplicable Range: For PC, Laptop, Mobile Phone, TabletSpeaker Parameters:Sensitivity: 105±3dB (at 178mV 1KHz)Voice Coil Impedance: 150±15Ω (at 1KHz)Frequency Response: 100Hz-10KHzDistortion: ≤5% (at 178mV 1KHz)Microphone Parameters:Directional: UnidirectionalSensitivity: -40±2dB (2.0V, 2.2KΩ, 1KHz)Distortion: ≤5% (at 4.5V 2.2KΩ 1KHz)Frequency Characteristics: 200Hz-6KHzCurrent Consumption: 100-500µAHow to Use:Plug and play.PackageList:1 x Phone Headset1 x USB to USB C Adapter1 x User Manual