Smooth Fitness 735 - Manual (Page 39)

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MUSIC JACK USAGE
NOTE:
High speaker volume may interfere with the heart rate accuracy. Please decrease the speaker volume when you are
using the heart rate function.
※ Warning: After removing the safety key, wait for 5 seconds to re-insert in.
Music jack
(Compatible with a 3.5”plug)
※This will not function with headphones
USB Charger：
Available for any 3C device that
can be charging by USB device.
(5V-2A)