Sennheiser AVX Camera-Mountable Lavalier Digital Wireless Set (ME2 Lavalier) Bundle with SKB Waterproof Case and BA20 Recharging Battery Pack EKP XLR Receiver SK Bodypack Transmitter ME2 Lavalier Microphone Plug and Record Functionality INCLUDES: SKB Waterproof Case and A20 Recharging Battery Pack