User Guide
Bluetooth®Headset with Digitally Enhanced Sound for Clear Conversations
TABLE OF CONTENTS
Package Contents & Features 3
Charging 4
Pairing 6
Powering 7
Adjusting Fit 8
Using Your Headset 9
Indicator Lights 11
Optional Accessories 12
Troubleshooting 13
Product Specifications 13
Technical Assistance 14
Warranty 14
Regulatory Notices 15
WELCOME
Thank you for purchasing a Plantronics headset.
Let us provide you with the best possible service and technical support. After you
review this user guide, if you need additional assistance or have any product
questions, please contact:
• www.plantronics.com/support
REGISTER YOUR PRODUCT ONLINE
Visit www.plantronics.com/productregistration to register your product online
so we can provide you with the best possible service and technical support.
PACKAGE CONTENTS & FEATURES
PLANTRONICS DISCOVERYTM
655 AND 665
Vehicle
charging
adapter
USB charge cable
Mini USB-to-USB
charging cable
DISCOVERY 665 ACCESSORIES
AC charger
DISCOVERY 655 ACCESSORIES
Indicator light
Call control button (on/off)
Volume/mute buttons
Microphone
Soft gel ear tips
Ear loop
AAA
battery
small
medium
large
Headset
charging
pocket
AAA
battery
charger
Mini USB
charger
3
CHARGING
PLANTRONICS DISCOVERY 655
Before using, you must first charge your headset.
1 hour = minimum charge 3 hours = full charge
Option A: Using the included AC charger
The indicator light flashes red while charging and
turns off when fully charged.
1. Plug the AC charger into the base of the charging
pocket and connect it to your power source.
2. Insert the headset into the charging pocket.
Option B: Using a AAA battery
One AAA battery recharges the headset to full capacity
up to three times.
1. Twist the bottom of the AAA battery charger
counter-clockwise and release the battery holder.
2. Insert the battery into the AAA battery holder.
3. Slide the battery holder back into the battery
charger and turn clockwise.
4. Snap battery charger to charging pocket.
Ensure that the indentation on the battery
charger connector aligns with the shirt clip on
the charging pocket.
5. Insert the headset into the charging pocket.
CAUTION
Only replace with a non-rechargeable AAA battery.
A
B
DISCONNECTING COMPONENTS
To separate components, grasp both the battery charger and the charging pocket
with the shirt clip facing you. Bend the components back and they will snap apart.
NOTE Do not twist the components apart.
4
CHARGING
Option C: Using the Mini USB-to-USB
charging cable
1. Snap the mini USB charger to
the charging pocket.
2. Use the mini USB-to-USB charging
cable to connect the headset to your
computer or laptop.
3. Turn your computer or laptop on.
C
PLANTRONICS DISCOVERY 665
Before using, you must first charge your headset.
1 hour = minimum charge 3 hours = full charge
Option A: Using the vehicle charging adapter.
1. Snap the headset charging pocket onto the
vehicle charging adapter as shown.
2. Plug the vehicle charging adapter into vehicle
power socket and adjust the charging pocket
angle so that the headset is within easy reach.
CAUTION Select a mounting option that does
not interfere with car controls.
3. Dock the headset into the charging pocket
as shown. If power is available to the vehicle
power socket, the charging pocket will flash
when the headset is docked.
NOTE The headset charges only when power
is supplied to the vehicle power socket.
The green indicator on the vehicle charging
adapter lights when power is supplied.
1.
3.
2.
Option B: Using USB charging cable
1. Use the USB charging cable to connect the
headset charging pocket to your computer
or laptop.
2. Turn your computer or laptop on.
5