Product Description:Battery Capacity : 3.7V 80mAh 0.3 Wh

Replacement  CP1254 
 
 Compatible with

SONY WI-SP600N,WF-SP700N,WF-SP900,WF-1000XM3,

WF-1000X TWS,WF-XB700 ,WF-H800 WF-XB700 TWS Earphone

Package include:2PCS  CP1250  A4 3.7V battery and tools