The Snark 2 re-chargeable clip-on chromatic tuner is Snark's most advanced instrument tuner yet! Featuring their "Hyper-Snark Software," the Snark 2 is the fastest and most precise Snark clip-on tuner yet! It boasts longer life than previous Snark tuners, a rechargeable internal power source, and the addition of vulcanized rubber collars make it the most durable Snark available. Keep a Snark tuner like the Silver Snark 2 clip-on tuner in your guitar or bass case for fast, dependable tune ups!