Specifications:
1.Product name: Earbud Dedicated Silicone Rings
2.Material: Soft and Environment friendly Silicone
3.Size:Outer diameter 18mm, internal diameter 11mm

Product Features:
1.Comfortable Wearing
2.Stable Wearing
3.Reduce Sound Leakage
4.Improve Sound Quality

Suitable for : B40/Vido/Traceless/RW-1000/RW-2000/ST-10s/EBX21 and other earbuds .

Package:
4pieces Silicone ring