5
Figure 1
Appearance
1 2 3 4
Power Button
Power Indicate
Probe
Battery Cover
4.2. Features
Feature FD-01B
FD-01
Bluetooth v4.0
Y
N
APP Y
N
Power indication
Y
Y
Earphone Output
Y
Y
Record fetal heart beat sound and
curve
Y N
History data sharing
Y
N
Battery low indication
Y
Y
Fetal heart beat detection
Y
Y
Fetal heart sound curve & data
display on APP
Y N