Specification:
Item Type: 2.5mm Business Headset
Material: ABS
Model: H390D-2.5VA
Colour: Black
Type: Binaural
Plug: 2.5mm Plug
Function: Call, Speaker Volume Adjustment
Applicable Scope: Compatible with devices with 2.5mm headphone plug
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 2.5mm Business Headset