What is in the box? USB-cable For over 75 years, Peterson has been trusted by some of the biggest names on stage and in the studio as the standard in tuning precision. The StroboStomp Mini™ delivers the unmatched 0.1 cent tuning accuracy of all authentic Peterson Strobe Tuners in a mini pedal tuner format. Featuring a high-definition LCD strobe display with variable LED color backlight, your instruments will never sound more in tune. A pop-less true bypass mode and a buffered output mode place you in command of your precious tone without compromise. With over 80 exclusive Sweetened Tunings® and Guided Tunings on-board, you’ll be able to dial in your sound and tune like the pros!