Ear Tips Compatible with SONY WF-1000XM4/ WF-1000XM3(Earbuds is NOT included).
Feature: Flexibility and comfortable, easy to clean, durable
Package: 7 pairs ear tips(4 pairs for XS / S / M / L + 3 pairs for S / M / L).

Best sound quality improvement effect: it can improves the fit to the ear, and at the same time, it improves the degree of sealing, prevents sound leakage, and increases the profound feeling of bass, achieves sound quality improvement effect, let you get the most comfortable listening experience when you commute or when hanging out