Features: Small pocket size metronomes in a beautiful durable blue plastic case with a snap on cover. Size: 6h x 2 3/4w x 1 5/8"d. The key can be removed and placed into the face of the metronome for transportation. Extra keys and weights are available ... see link below. Precision performance equal to a full size metronome. Range 40 to 208 beats per minute. Tempo is adjusted by sliding the weight up and down the stem of the metronome. This sale is for the Blue finish.... One year warranty. Made in Germany. The Wittner Taktell Piccolo metronome is a very dependable keywound metronome at a low price. The sound is a very audible click. The metronome could fit in a small bag or pocket book. Average winding of metronome will give about 30 - 40 minutes of use. TD Music (since 1981)