Item description for Replacement 3.85V 520mAh Battery For Sony WF-1000XM4 Headset Charging Box Case

Size: 24 mm*28 mm* 8mm

Voltage: 3.85v

Capacity: 520mAh

Compatable with :

For Sony WF-1000XM4 Headphones Charging Box

Package include:

1 pcs 3.85V 520mAh Battery