SONA.rBall

Thank you for your interest in this app. This app is made for our Wireless Floating Fish Finder 「SONA. RBall」. This app enables you to detect fish underwater, and to research the water bottom and its geography, by linking your smartphone to our fish finder 「SONA. RBall」. Intuitive to use! Fits perfectly bank fishing, lake fishing, and shore fishing! Scan Features.