Цифровой метроном человека Звук

Features:Bright Volume, there are human sound, mechanical sound and Muyu sound to be selectedTempo Range:40 - 208 BPMBeat:0, 1, 2, 3, 4, 5, 6, 7, 8, 9Volume Adjustment:Knob adjustmentBeat Tolerance:<0.5% with time/alarm clock functionSize:20mm x 60mm x 145mmColor:Pearl WhitePowerDC9V battery (6F22) included, and you can also order 9V AC adapter separately. For 100pcs, the detailed package information is as follows: Pcs/ctn: 100 G.W./Ctn (Kgs): 17.2 Meas. (cm): 34*33*36 Volume (CBM):0.04