Feature:
* BRAND NEW& professional Quality Guaranteed!
* Small, portable design let you take it anywhere
* Built-in mini speaker
* The sequence of pitches can be changed by keeping press for more than two seconds when turning on it
* Specially Used for Violin
* A4: 440Hz
* Accuracy: 0.00018Hz
* Size: L63 x W32 x D10 (mm)
* Weight: 38g
