Item Type: Telephone HeadsetMaterial: ABSModel: H390D TYPE CColor: BlackType: BinauralPlug: TYPE CScope of Application: For Devices with TYPE C InterfaceSpeaker 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: 100-500APackage List1 x Telephone Headset1[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.