- SpinFit W1 M are medical-grade silicone eartips designed for IEMs, ideal for improving stability and fit - They feature a double W-shaped tubular core that optimizes fixation and acoustic isolation - The patented 3D rotating axis allows the eartips to perfectly adapt to the angle of the ear canal - Made from medical-grade silicone, they minimize the risk of allergies and offer greater durability - Compatible with in-ear headphones with nozzles from 5 to 6 mm - Provide a superior listening experience, greater comfort, and improve sound quality - Recommended for demanding users and audiophiles looking for an affordable and effective upgrade