[NOISE REDUCTION]: Features ENC active noise reduction with a high definition microphone for clear dialogue in any environment.
[COMFORTABLE DESIGN]: Soft ear cushions and flexible headband ensure no strain on your ears. Ultra-lightweight for long-lasting comfort.
[EASY TO USE]: USB plug and play functionality with speaker volume adjustment, mute, and microphone mute support.
[DURABLE MATERIALS]: Sturdy construction and materials for superior performance and durability. Long cable for flexibility.
[COMPATIBLE]: Works with devices with a USB interface. for call centers, customer service, and conference calls.

Spec:
Item Type: USB Business Headset
Material: ABS
Model: H390 USB ENC
Colour: Black
Type: Monaural
Plug: USB Interface
Function: Call, Speaker Volume Adjustment, Mute, Microphone Mute
Applicable Scope: Compatible with Devices with USB interface
Speaker Parameters:
Sensitivity: 105±3dB (at 178mV 1KHz)
Voice Coil Impedance: 150±15Ω (at 1KHz)
Frequency: 100Hz-10KHz
Distortion: 5% (at 178mV 1KHz)
Microphone Parameters:
Directivity: Unidirectional
Sensitivity: -40±2dB (2.0V, 2.2KΩ, 1KHz)
Distortion: 5% (at 4.5V 2.2KΩ 1KHz)
Frequency: 200Hz-6KHz
Current Consumption: 100-500υA

Package List：
1 x USB Monaural Headset
Note：