SpinFit CP240-M - Double-Flange Silicone Eartips Replacement for Universal IEM Earphones with 5 Inserts - 4mm/2mm Nozzle Diameter (Medium)

• CP240 has a nozzle (core) dimension of 4 mm (Double Flange), using insert with the eartip makes the nozzle (core) dimension 3 mm. Enabling greater compatibility options.
• SIZES: CP 240 Small (blue) / Medium (red) / Large (black) size.
• QUANTITY: The NEW package NOW includes 1 pair of silicone replacement eartips + 5 inserts.
• USES: Wide range of uses. Fits most earphone with soundport nozzle size 3.0 mm 3.5 mm and 4.5 mm 5 mm.
• DESIGN: Premium soft silicone eartips that bends and twists which provide outstanding and lasting comfort. Consistent Seal. Sound isolation and High-intensity listening. In-ear stability. Flexible, removable, reusable and durable (much more durable than foam ear tips). Perfect replacement for your stock earbuds eaphone eartips!

Size: Medium Style: CP240 (bore size 4 mm - OR - 3 mm using insert/ Bi-Flange) Insert included in the package. SpinFit is a patented ear tip. SpinFit has an ergonomic concave design at the core to allow the ear tip to swivel, making it flexible to bend and twist to the contour of a person's ear canal. SpinFit ear tip is able to be inserted deeper into the ear canal, enabling less obstruction along the sound field dispersion path, which results in greater audio experience while providing maximum comfort. WHAT SIZE? The different size ear tips accommodate to different ear canals. Choosing the proper size is critical for a secure, comfortable, and quality result. If you're unsure, medium size fits most users comfortably. WHICH MODEL? CP 800: nozzle (core) dimension is 2 mm (Single Flange) CP 100: nozzle (core) dimension is 3.8 mm (Single Flange) CP 100Z: nozzle (core) dimension is 4 mm (Single Flange) - for True Wireless CP 155: nozzle (core) dimension is 5.5 mm (Single Flange) CP 240: nozzle (core) dimension is 4 mm (Double Flange - deeper insertion) - CP 240 using insert: nozzle (core) dimension is 3 mm COMPATIBILITY. Different models are designed with different core sizes to fit all major earphone brands. Please confirm earphone model / measurements before purchase!