Sennheiser AVX Camera-Mountable Lavalier Pro Digital Wireless Set (MKE2 Lavalier) Bundle with SKB Waterproof Case and BA20 Recharging Battery Pack EKP XLR Receiver SK Bodypack Transmitter MKE2 Lavalier Microphone Plug and Record Functionality INCLUDES: SKB Waterproof Case and A20 Recharging Battery Pack