Authentic Sennheiser replacement battery. This is the manufacturer authorized replacement battery for the OfficeRunner Wireless Headset and all Sennheiser Wireless headsets.
- Ideal for: OfficeRunner, DW Office, DW Pro1, DW Pro2, DW Pro2 ML, DW Office ML, SD Office, SD Office ML, SD Pro1, SD Pro1 ML, SD Pro2, SD Pro2 ML, MB Pro series
- Genuine Sennheiser Battery
- Easy Installation