About this item •COMPATIBILITY: Memory foamtips compatible with WF-1000XM4 ...About this item •COMPATIBILITY: Memory foam tips compatible with WF-1000XM4 Sony WF-1000X Sony WF-1000XM3 Sony WF-SP700N Sony WF-SP800N Sony WF-XB700; Comfortable and secure in-ear fit; Doesn’t interfere with charging; Offers a superior sound...more