Echo Calls Boss Open Call Single Reed Mallard Duck Call Favorite Fishing and is powered by one

and is powered by one 18650 rechargeable battery (included) or two CR123 batteries (not included)

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a proprietary blend of corrosion inhibitors

flexible microfiber polyester material that breathes as you move

Constructed using a TiZip Masterseal 10 Waterproof front zip opening for added breathability and easier on and off

Echo Calls Boss Open Call Single Reed Mallard Duck Call Favorite Fishing and is powered by oneEcho boss calls is our competition call for the world championship duck calling contest in stuttgart arkansas. They are tuned specifically for the competitor. When competing, our calls have back pressure to allow you to blow the required number of notes for extended hail calls. It transitions well from lower to higher notes, enabling the caller fewer mistakes. The success of the echo competition call speaks for itself with over 200 sanctioned titles,