Mix sound as you shoot from 3 external mics * Attached to camcorder or hand-strap * 3 1?4" x 2 1?8", weighs 3 ounces * No batteries required * Attach To Camcorder Or Hand strap; Does Not Require Batteries * Dim: 3.25"l X 2.13"w X .25"h; Weight: 3 Oz * 3-channel Microphone Mixer