1. WITH NOISE CANCELLING MIC: Telephone headset with HD microphone that can be adjusted at will to make your voice and clear. Provides clear conversations even in noisy environments.2. EASY TO USE: Phone headphone has USB, USB C, 3.5mm three kinds of interfaces, plug and play, no need to drive. Support speaker volume adjustment, microphone mute, answer, hang up, pause, forward, backward.3. LIGHTWEIGHT AND COMFORTABLE: Phone headset comes with soft ear cushions and a flexible headband, the ultra lightweight design ensures that you can focus on your conversation, with long lasting wearing comfort.4. WIDE COMPATIBILITY: Business headphone is compatible with devices with USB C port, such as PC, laptop, tablet, phone. Ideal for home, offices, call centers, telemarketing, customer service, conference calls, and more.5. PREMIUM MATERIAL: Telephone headset is made of premium ABS material, sturdy structure design, wearable and not easy to deform. The long headset cord provides flexibility for mobility.Specification:Item Type: Telephone HeadsetMaterial: ABSColor: BlackType: MonauralPlug: USB Interface, USB C Interface, 3.5mm InterfaceFunction: Support Speaker Volume Adjustment, Microphone Mute, Answer, Hang Up, Pause, Forward, BackwardApplicable 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 Telephone Headset1 x USB C to USB Adapter1 x User Manual