DETAILS:

• Brand: QKZ
• Model: KD2
• Material: CBC
• Color: Black 
• Wearing type: Wired In-ear
• Speakers:  6mm NdFeB speaker Mini Dual Driver
• Dimension: φ12mm/0.47” 
• Cable length: 1.25m 
• Impedance: 32Ω
• Frequency: 20-22K Hz
• Sensitivity: 101±3dB (at 1KHz 1mW)
• Plug jack: Standard 3.5mm 
• Function: Play / Pause, Answer / Off, Microphone