Focus Camera offers the Korg Instrument Tuner and Metronome in Gold or Red for $14.99 with free shipping. That's tied with our January mention in another color and the lowest price we could find by $8 in any color. Deal ends December 17. Features:
LCD needle-type meter
Sound out function
Detection range from C1 to C8
Tempo range of 30 to 252 beats per minute
You very likely are putting your laptop battery into an early grave.