Operation Manual
Manuals
Brands
Echowell Manuals
Heart Rate Monitor
RUBY-400
7
8
9
10
11
12
13
14
15
16
Pu
l
s
p
o
r
t
s
-
300/400
Pu
l
s
p
o
r
t
s
-
300/400
H30
-
-
H31
1
...
...
14
15
16
