QKZ DM9 Zinc Alloy HiFi Stereo In-ear Headset 3.5mm Wired Heavy Bass Phone Earphone with Mic

• With line control microphone, easy to answer calls, and the sound is clear

• Ergonomics design, more fit the ear canal, comfortable to wear

• High definition stereo noise reduction, enhance music and call quality

• The distortion rate is very low, show richer musical details, bring amazing sound listening pleasure

• Compatible with computers, MP3/MP4 players, tablets, mobile phones, and other audio devices with 3.5mm jack

Specifications:

• Material: CNC zinc alloy

• Weight: 15g

• Speaker: 9.2mm neodymium iron boron speaker

• Speaker power: rated input power: 3mW, maximum input power: 5mW

• Impedance: 16Ω±15%

• Speaker sensitivity: 94±2dB (at 1KHz 1mW)

• Speaker frequency response: 20-22KHz

• Microphone sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa

• Working temperature: -10 degrees Celsius to +40 degrees Celsius

• Functions: play/pause, answer/hang up, noise reduction, microphone

• Plug type: 3.5mm

• Cable length: 1.2m