1.Their superior sound leaves dynamic drivers far behind. Whether in the delicate nuances of music or the concentration and clarity of sound, balanced armature drivers exhibit unmatched advantages 2.features a 2-pin gold-plated detachable design, allowing easy replacement of the earphone cable. Users can upgrade the sound quality by changing the cable, while also extending the lifespan of the earphones 3.Through extensive research on the shape o the human ear, our ergonomic design provides a better fit around the ear. The around-ear wearing style ensures a more secure and comfortable experience 4.we standardize with a silver-plated oxygen-free copper earphone cable. Silver-plated cable significantly enhances overall sound quality due to its low resistance, resulting in far better electrical signal transmission compared to regular oxygen-free copper cables Specifications: C:curved low-frequency enhanced version with microphone impedance: Curve Edition: 31-35Q Curve Low Frequency Enhanced Edition: 16-20Q Plug type: 3.5mm wire rod: Double parallel black line frequency response: 20-40000Hz sensitivity: curve version: 105 soil 3dB Curve Low Frequency Enhanced Edition: 103±3dB Pin type 0.75mm Wire length 120 soil 5CM Colour:silver Material:plastic Package Contents: 1 x earphone 2pairs x ear caps 1 x earphone cable 1 x tuning lever 1 x Chinese and English instruction manual 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.