Features: 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 Wholesale big discount support! Specification: Material: PC Mini Dual Driver Cable length: 1.2m Speaker: 7 mm And 9 mm NdFeB speaker Mini Dual Driver Speaker Power: Rated input power: 3mW, Maximum input power: 5mW Impedance:8Ω±15% Speaker Sensitivity: 99±3dB (at 1KHz 1mW) Speaker Frequency Response: 20-20K Hz Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa Operation Temperature: -10 Celsius --- +40 Celsius Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone Compatible: For Xiaomi 8/8X/9/Note 3/Mix series For Huawei Mate 20,/Mate 10/P20/P10 All other mobile phones which compatible Type C interface. Package Include: 1 X Earphones