Features: [Upgrade Sound Unit] 10MM large diameter double magnetic dynamic unit, creates clean sound with the sense of speed and strength, which is suitable for the needs of electroacoustic music, drum and bass music; 30095 high frequency balanced armature unit, effectively reduces the loss of high frequency and brings better ductility, which provides rich and full detail performance, especially for different instrumental music. [Upgrade Cable] Standard 100 core high purity silver-plated wire, improves the transparency, separation and sound field of earphones, making the sound bottom crystal clear. High-strength Kevlar fiber is added to reduce the loss and distortion in signal transmission. [Upgrade Acoustic Tuning] Electronic frequency division+physical structure double tuning, feature a wide horizontal and vertical sound field. [Extended Function] Equipped with BT module, the earbuds can be switched to BT headset by replacing the cable, exploring more novel ways to play. Assemble gold and silver mixed wire to improve the sound quality. [Comfortable Wear] Ergonomically designed with soft silicone caps, the earphones fit well the ear canal and effectively reduce external noise, more stable and comfortable to wear.