1BA+1DD Dual Hybrid Driver IEM: Balanced, textured bass meets bright, articulate vocals thanks to a 10mm Dynamic Driver and Balanced Armature Unitdelivering detailed, natural sound for everyday listening Crafted for Clarity: A CNC-machined metal shell ensures premium quality and DLP 3D-printed cavities enhance sound precision for daily commutes, music, gaming or streaming Comfortable & Secure Fit: Ergonomic design ensures a snug, all-day fit, while 3 sizes of silicone ear tips deliver up to 25dB noise isolation for personalized, immersive sound. We suggest no more than 4 hours of use at a time to maintain optimal comfort and ear health Silver-Plated 2-Pin Cable: Enhances sound clarity by reducing distortion and revealing detailed audio. Lightweight and detachable for easy replacement, perfect for stage performances or on-the-go use Important NoteThe WD01 is equipped with a USB Type-C connector instead of a 3.5mm audio jack. Please ensure your device (phone, computer, e