Spinfit OMNI Silicone Replacement Eartips Open-Back Headphones With four high-definition drivers

With four high-definition drivers

That is the reason for the “hump” in that region

form fitting earphones known as personal monitoring systems

3 BT technology

Spinfit OMNI Silicone Replacement Eartips Open-Back Headphones With four high-definition driversCompatible with both TWs and IEMs. Optimized Shape. Optimized Core Length. Optimized Soundstage. Optimized everything with 20 Years+ of R&D on the ear tips. Compatible with most True Wireless Earbuds and IEMs: fits nozzle diameter from 4 5. 5mm What Benefits Does SpinFit Patented Design Bring? Patented structure that allows the ear tips to swirl according to your ear canal shape. The perfect fit makes them like customized ear tips. Super Snug Fit. No