Universal Design Compatible with Most Earbuds from Brands such as - iFrogz, JIB, LG, Panasonic, Phillips, Powerbeats, Raycon, Sharp, SkullCandy, Sony, and Many More。

Dimension and weight: (manual measurement has certain error for reference only)

Small size, outer diameter 10mm, height 8mm, 0.18g

Medium，outer diameter 12mm, height 8.5mm0.24g

Large，outer diameter 14mm, height 9mm0.29g