Specifications:

• Brand: QKZ
• Model: CK4
• Type: Dual moving coil in-ear headphones
• Driver Unit: 7mm + 9mm
• Frequency Response: 20-20KHz
• Resistance: 8Ω
• Sensitivity: 96±3dB
• Plug: 3.5mm Gold-plated
• Microphone: Condenser microphone
• Color: Black, Silver, Red (Optional)
• Cable Length: Approx. 1.25m / 4.10ft
• Headphone Weight: Approx. 17g / 0.59oz