BLSS: Universal M38 Earphone 3.5mm Bass Sound with Mic Good Quality

Wired Earphone In-ear Headset Sports Earbuds Line Control Phone Quad-core Double Moving Ring Copper Ring SpeakerFeatures:1.Quality optimization of exclusive patent, metal composite vibrating membrance.2.The ergonomic design, nipple grade silicone ear muffs.3.Ear and tail pipe connection with oblique angle design, comfortable and easy to wear.4.It has high quality sound, enjoy your life.5.A perfect gift for yourself or friend 6.Type: Piston In-Ear EarphoneSpecification：1. Material: PC Mini Dual Driver2. Weight: 12g3. Speaker: 8 mm speaker Mini Dual Driver4. Speaker Power: Rated input power: 3mW, Maximum input power: 5mW5. Impedance:32Ω±15%6. Speaker Sensitivity: 106±3dB (at 1KHz 1mW)7. Speaker Frequency Response: 20-20K Hz8. Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa9. Operation Temperature: -10 Celsius --- +40 CelsiusFunction: Play / Pause, Answer / Off, Noise Cancelling, MicrophoneCable length: 1.2m