Sennheiser B250-2 Battery Box for Use with SK 3063-U / SK 50 / SK 250 Bodypack Transmitters

Battery Pack for SK3063-U, SK50-UHF, and SK250-UHF, Requires Three AA Batteries. Operates SK250-UHF for Approx. 4 Hours or SK50-UHF for Approx. 9 Hours