Brand new ZeniPower batteries for WF-1000XM4 Sony in ear headphones. This in OEM battery SONY uses in headphones. Any questions just ask.
Genuine 2x ZeniPower Z55H 3.85V 270mwh SONY WF-1000XM4 Batteries
2X ZeniPower Z55H 1254 3.85V + Case BOX battery for Sony WF-1000XM4 Earbuds
ZeniPower Z55H Model for Sony WF1000XM4 Bluetooth Headset Battery Z55H
Centerpower IPC ZeniPower Z55H Replacement Battery for WF1000XM4 XM3 WF-SP900 Bluetooth Headset Battery
SONY WF-1000XM4 Battery - ZeniPower Z55H 3.85V 75mAh
