1. 14.2mm driver flat plug earbuds bass metal in-ear headphones subwoofer music replaceable cable 2. by 14.2mm -diameter PET composite diaphragm, the EMX low frequency is textured and elastic, the mid-high frequency is clear and delicate, and the vocal performance is amazing. 3. aluminum alloy cavity, CNC lathe, and CNC molding complex processes to create EMX high-precision acoustic cavity and create professional acoustic products. 4. Long-lasting good sound: Powerful bass, clear mids, and analytical treble, the EMX has been carefully tuned to sound balanced for most music genres. An organic and lively sound that is pleasing to the eye. Product name: 14.2mm dynamic metal in-ear headphones Model: EMX Headphone Type: In-ear Impedance: 45ohm Headphone sensitivity: 120dB/mW Frequency range: 20-20000Hz Plug Type: 3.5mm+2.5mm+4.4mm Cable length: 1.25m Whether with line: yes Headphone : 2Pin With or without a microphone: No Whether the wire can be replaced: Yes Colour:silver Material:ABS+Metal Package Contents: 1 pair x headphones 1 x headphone cable 3 x 3.5/2.2/4.4mm plugs 3 pairs x earphone sleeves Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.