6 Pairs New Bee NB-M1 Slow Rebound Memory Foam Ear Caps with Storage Box, Suitable for 5mm-7mm Earphone Plugs(Black)

Features:
1. Memory foam material, breathable, soft and comfortable
2. Knead the memory foam to a small size (about 5 seconds of rebound time), and then insert it into the ear. The sponge will slowly expand and fill up according to different ear canals, which has a certain sound insulation effect.
3. Suitable for 5-7mm diameter earphone plug
4. Three sizes of ear caps can be replaced at will according to your own needs
5. Equipped with storage box, easy to carry and store

Silicone ear cap size:
L: Outer diameter: 13.4mm, inner diameter: 4.9mm
M: Outer diameter: 12.5mm, inner diameter: 4.9mm
S: Outer diameter: 10.6mm, inner diameter: 4.9mm