External Lavalier Microphone with 20' audio cable & Accessory Bundle for Canon EOS 7D II Digital Camera Wired Lavalier microphone For use with the Canon Canon EOS 7D II Camera, has a 20' cable Attaches via lapel clip Foam windscreen helps to eliminate wind noise and insulate the microphone Includes: XM-L Microphone, one LR44 Battery, TheImagingWorld Micro Fiber Cleaning Cloth, and Digital Camera Cleaning Kit