Battery For Sony WF-1000X WF-SP700N Wireless Noise-Canceling Headphones CP1254
CP1254 (A3). For the SONY WF-XB700, WF-SP700N, WF-SP900, WF-1000XM3 wireless earphones. If run the battery shut down often, it will shorten the battery life. Battery Capacity: 60mAh. Remove the battery for a while.