Motorola HX550 User Manual page 6

Basics
a few essentials to get you started
Turn on & off
To turn your headset on and off, flip the boom to the
open (extended)/closed (folded) position.
Wear it
You can optimize the fit of your headset with the
on-ear hook, in-ear hook or ear gels with no hook.
in-ear hook
1 Rotate and turn your ear hook for left or right use.
4 Basics