QKZ DM9 Zinc Alloy HiFi Metal In Ear Earphone

• In-Ear Earphone with Microphone
• Pure pronunciation unit uncompromising tone
• CNAS, Certificate of quality system
• Speaker Frequency Response: 8-22K Hz
• Function: Play / Pause, Answer / Off
• Noise Canceling, Microphone
• Material: Metal CNC Zinc alloy
• Speaker: 9.2 mm NdFeB speaker
• Speaker Power: Rated input power: 3mW, Maximum input power: 5mW
• mpedance: 16Ω±15%
• Speaker Sensitivity: 94±2dB (at 1KHz 1mW)
• Speaker Frequency Response: 20-22K Hz
• Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa
• Operation Temperature: -10 Celsius — +40 Celsius
• Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone
• Connectivity : Wired Plug In  | Type: Earphone| Cable length : 1.2m | Connectors: 3.5mm