
for Chromatic,,Double Bass, Violin,viola,cello, wind instruments.
■Tuning range: A2(27.5Hz)~a3(1760Hz)
■ Power: 3V (AAA size x 2)
■ A4 Frequency: 435Hz~445Hz
■ Reference sound of A4: A4=440Hz
■ Electricity: ≤35mA ( Under tuning state)
■ Volume: 96mm(L)x59mm(W)x16mm(H)