Hammond Melodion Bass B-24H, 24 Keys F - e², 2 internal dynamic lavalier mircrophones, 6,3 mm Phone Jack Microphone Output, Control: Volume and Balance, incl. mouthpieces (special trombone, L Joint Long, Cleaning Cloth and Gig Bag, Dimensions: 33 x 13 x 7.2 cm (WxDxH)