(2) VARTA CP1254 A3 3.7v Li-Ion Rechargeable Battery F SONY WF-1000XM3 WF1000XM3
CP1254 (A3). Keep the battery away from fire. Never make the circuit short or squeeze the battery. for the SONY WF-XB700, WF-SP700N, WF-SP900, WF-1000XM3 wireless earphones. Battery Capacity: 60mAh.