Quality optimization of exclusive patent, metal composite vibrating membrance.
The ergonomic design, nipple grade silicone ear muffs.
Ear and tail pipe connection with oblique angle design, comfortable and easy to wear.
It has high quality sound, enjoy your life.
A perfect gift for yourself or friend
Type: Piston In-Ear Earphone
Material: PC Mini Dual Driver
Speaker: 6mm NdFeB speaker Mini Dual Driver
Speaker Power: Rated input power: 3mW, Maximum input power: 5mW
Speaker Sensitivity: 101±3dB (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
Package weight: Approx. 20g / 1.1oz
Cable length: 1.2m
A: without microphone, B: with microphone
1 x QKZ KD2 Earphone