Zunate H390 Wired Headset

How to Use: Plug and play Specification: Item Type: RJ9 Single Ear Headset Material: ABS Model: H390-RJ9-MVA Colour: Black Type: Monaural Plug: RJ9 Crystal Plug Function: Call, Speaker Volume Adjustment, Mic Mute, 6 Speed Line Sequence Adjustment Scope of Application: For devices with RJ9 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 RJ9 Single Ear Headset