QKZ DM7 Stereo Bass Earphone 3.5mm In-ear Metal Hands-free Headset – Black With Microphone

• Quality optimization of exclusive patent, metal composite vibrating diaphragm

• Built-in microphone for hands-free phone calls

• Ergonomic design, nipple grade silicone ear caps

• Ear and tail pipe connection with oblique angle design, comfortable and easy to wear

• High quality sound, enjoy your life

• A perfect gift for yourself or friend

• 3.5mm plug, wide compatibility

Specification:

• Material: CNC zinc alloy

• Weight: 20g

• Speaker: 9mm NdFeB speaker

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

• Connector: 3.5mm

• Cable length: 1.2m

• Sensitivity: 120dB±2dB

• Impedance: 32Ω±15%

• Frequency response range: 8Hz-22KHz

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

• Operating temperature: -10℃ ~ 40℃

Compatible with:

• iPhone iPad iPod

• Samsung HTC Xiaomi etc smartphones and tablets

• MP3/MP4 players

• Other devices with 3.5mm port