Fret Zealot is a state-of-the-art LED addition to your bass guitar. It fits just next to the frets and shows you exactly where to put your fingers to play anything you can imagine… in any color! Fret Zealot lets you learn on your time, at your own pace, and in your style. It puts you in control of your musical experience, replacing frustration with fun and letting you play on real instruments at all stages of your journey! The Fret Zealot app introduces intuitive learning with an impressive suite of features that's continuously being improved and updated to make the best ukulele learning environment on the market! It lets you learn quickly and intuitively without the constant distraction of looking at books, videos, or sheet music to find out where to put your fingers. You can concentrate on technique and finding your style right from the start. Fret Zealot was perfected after 5 years of development. The design is meticulous and will not interfere with the strings or frets. It's compatible with any full size bass guitar. The rechargeable battery lasts over 12 hours and clips onto the head stock of any brand of bass guitar. The audio cable connector can swapped for a longer one to fit or mount anywhere if you don't want to clip it to your head stock. Free iOS and Android app for control via Bluetooth. Want to see more? Check out the glowing reviews of Fret Zealot from Digital Trends and Inc Magazine.