Wireless Headset Battery for Sennheiser 504374 BATT-03 D10 DW Office DW Office Compatible with the following devices D10, DW Office, DW Office ML, DW Pro 1, DW Pro 2, DW Pro 30, DW 30, DW Pro1, DW Pro2, DW Pro2 ML, DW SD Pro1, DW-Reihe, MB Pro 1, MB Pro…