Love at first cast. This pocket-sized fish finder is as mobile as you are! The iBobber is the smallest and lightest personal sonar depth finder on the market. It is a castable, portable, and wireless fish finder that syncs with the free app on your smartphone or tablet up to 100’ away. This thing is really cool! Engineered with patented sonar technology providing accurate readings of bottom contours, depths, structures, and fish, the iBobber packs a lot of tech into a very small package. The iBobber comes complete with: USB Charger, Carrying Pouch, Product Guide