Description
Large: diameter is about 13mm, height is about 9mm; catheter is light blue
Medium: outside diameter is about 12mm, height is about 9mm; catheter is green
Small: diameter is about 10mm, height is about 9mm; catheter is orange
The entrance of conduit is about 4mm, diameter is about 3mm. It is for 4.5mm ~ 5.5mm caliber earphones earbuds
The dimensions of aluminum box is 11.8cm*1.8cm*4.1cm
