The Snark AIR's unique, low profile design allows it to be placed on the front or back of the headstock for discrete tuning during gigs. Tunes guitar, bass, ukulele, banjo, mandolin and more with astonishing accuracy thanks to Snark’s superfast chip. High resolution, colour LED display. Easy to read: magenta (flat), orange (sharp) and green (in tune). One touch operation. Just tap Snark Air once to turn it on, tap twice to change the rotating display’s orientation. No batteries to change. Includes micro-USB recharging cable.