T.Huy XSMB: Gi?i ??c bi?t k?t qu? x? s? Mi?n B?c ???c bao nhiêu v?y m?i ng??i ?i!It is possible to either plot the least and highest peak measurement values or file the waveform trace. And, with expandable microSD memory, recording sessions can be carried out for up to fourteen times. This recorder is far more powerful With all the addition of Rec