FPRO-Base is built-in Fitness Audio wireless receiver allows you to use a dry Fitness Audio body pack transmitter and E mic or Aeromic headset or handheld transmitter for deck side instruction, lecturing, making announcements, or multimedia presentations. The Focus Pro covers all of your music needs for fitness - with option Bluetooth music streaming, plus additional audio inputs to add the most popular personal MP3 or CD players on the market.  Optional travel bag and tripod stand.  Not intended for in water use or splash proof - water damage is not covered under warranty.