2Pcs CP1254 1254 A3 3.7v Li-Ion Rechargeable Battery For Beats Powerbeats Pro
CP1254 (A3). Keep the battery away from fire. Never make the circuit short or squeeze the battery. Battery Capacity: 60mAh. Battery Capacity: 4000mAh. for the SONY WF-XB700, WF-SP700N, WF-SP900, WF-1000XM3 wireless earphones.