EN
Last Number Redial: In standby mode, press the multifunction button twice to redial
the last number.
Mute a Call: Press and hold the 'volume down' button for 2 seconds to mute the call.
Press and hold the 'volume down' button again for 2 seconds to unmute the call.
Battery Capacity Status
ISOtunes
PRO supports iOS Bluetooth
®
connected to iOS devices, the battery power status can be seen in the upper right
corner of the screen.
Charging
We recommend charging your ISOtunes
included USB charging cord to connect to the micro-USB port on the controller of the
headphones. A red LED indicates your headset is charging, while a blue LED indicates
the charging has fi nished. When the battery is low, the indicator light will fl ash red,
accompanied by periodic beeps.
IMPORTANT CHARGING INFORMATION
In order to ensure proper earbud performance, ONLY charge your ISOtunes
earbud with a MAXIMUM 5 Volts/1 Amp charger. Using a charger higher than 5 Volts/1
Amp could be dangerous and may damage your ISOtunes
DualConnect Function
ISOtunes
PRO is capable of connecting with two Bluetooth
®
at the same time.
To pair with two devices simultaneously:
1. From OFF mode, press and hold the multifunction button until the indicator light
battery level indicator. This means that when
®
PRO fully before its fi rst use. Use the
®
PRO product.
®
-enabled mobile phones
®
fl ashes red and blue alternately, entering pairing mode. Pair with phone A.
2. Power off your ISOtunes
3. After pairing with phone B, power off the headphones again.
4. Then, power on your ISOtunes
most recently paired device, phone B.
5. Press both the 'volume up' and 'volume down' buttons simultaneously, twice in a
row. Your ISOtunes
Shift Between Calls on Two Devices
While on a call with phone A, if you get an incoming call on phone B:
: : A short press of the multifunction button will end the call with phone A and answer
the call on phone B.
: : Press and hold the multifunction button for 2 seconds, until you hear a single beep, to
answer the call from phone B. Press and hold the MFB for 2 seconds AGAIN to put
the call from phone A on hold and talk to the caller on phone B.
: : Press and hold the multifunction button for 2 seconds to transfer between calls on
PRO
®
two different phones while keeping the other on hold.
: : While on calls with two separate devices, a short press of the multifunction button
will end the call on whichever phone you're talking on and shift you to the other call.
SafeMax™ Technology
If your device incorporates SafeMax
to 85 decibels. 85 decibels is the maximum volume limit allowed by OSHA in the
workplace over an 8 hour period. ISOtunes
OSHA, NIOSH, and ANSI compliant.
PRO and then repeat the pairing process with phone B.
®
PRO again. It should automatically connect to its
®
®
PRO will now be connected to both mobile phones.
™
Technology, its volume output has been limited
devices with SafeMax
®
EN
Technology are
™