CP1254 (A3) 3.7V 60mAh for SONY models: WF-XB700 WF-SP700N WF-SP900 WF-1000XM3 Twin Battery Pack.

Please note this is for TWO batteries.
CP1254 (A3) 3.7V 60mAh
If your no longer getting enough listening time with your Bluetooth headphones you need to swap out to these new rechargeable batteries.
Actual measured dimensions (mm): D5.5 x W12.1 these batteries are the perfect aftermarket replacement that will give the same performance as the stock battery.
Any questions please contact me I’m always happy to help.