Luckvan Memory Foam Eartips for Sony WF-1000XM4 Ear Tips Replacement Sony Earbuds Foam Tips for WF-1000XM3 WF-SP900 WI-1000X WF WI XBA Series Fit Charging Case 4 Pairs LM Gray

Package: 4 Pairs (2Pairs medium size, 2 Pairs Large size) memory foam eartips fit Sony earbuds. Don't like to use silicone eartips? Silicone pain? You can choose the memory foam ear tips specially designed for Sony WF-1000XM4. (Compatible with Sony WF-1000XM3 WF WI XBA MDR in-ear series) Tip: The foam tips with high-quality polyurethane foam new type materials. Compared to other ordinary foam, this memory foam advantages: ?90s ~ 120s slow rebound. Fully rebound may need to wait 3-5 minutes. ?Anti-slip, prevent earbuds fall off ?Very soft and comfortable, suitable for 24 hours wearing. ?Good seal, improve sound quality. ?Match the sony WF series wireless earbuds charging case, don't need to remove it. ?Our brand “Luckvan” -We have our own factory and design team. -Professional design and production earbuds accessories.