Varta CP1254 A3 battery 3.7V for Sony wf1000x WF-1000XM3 WF-XB700 SP700 Headset
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.