Feature:1. [Noise Cancelling] Phone headset with high definition microphone that can be twisted at will; the sound is large and clear, providing clear conversations even in noisy environments.2. [Easy To Use] Type C wired telephone headset, plug and play, no driver required. Support speaker volume adjustment, microphone mute. The long headphone cable provides flexibility on the move.3. [Comfortable] A lightweight phone headphone with soft ear pads and a flexible headband that will not burden your ears. Comfortable to wear for a long time, allows you to focus on the conversation.4. [Compatible] Business headphone is compatible with devices with Type C connectors. Ideal for home, offices, call centers, telemarketing, customer service, conference calls, and more.5. [Super Durable] The office headset is designed with sturdy structure and high quality ABS material, with high hardness, wear resistant, with super performance and durable.How to Use:Plug and play.Specification:Item Type: Telephone HeadsetMaterial: ABSModel: H390D TYPE CColor: BlackType: BinauralPlug: TYPE CScope of Application: For Devices with TYPE C InterfaceSpeaker Parameters:Sensitivity: 105±3dB (at 178mV 1kHz)Voice Coil Impedance: 150±15Ω (at 1kHz)Frequency Characteristics: 100Hz-10kHzDistortion: ≤5% (at 178mV 1kHz)Microphone Parameters:Directivity: Single PointSensitivity: -40±2dB (2.0V, 2.2KΩ, 1kHz)Distortion: ≤5% (at 4.5V 2.2KΩ 1kHz)Frequency Characteristics: 200Hz-6kHzCurrent Consumption: 100-500µA Package List:1 x Telephone Headset