iBLU K-21 User manual

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Thank you for your selecting iBLU K-21Headset. We hope you enjoy it.
iBLU K-21 Headset lets you listen to stereo music through your Bluetooth stereo enabled
mobile phone, while ensuring that you never miss a call.
The iBLU K-21 Headset is compliant with Bluetooth v1.2 Compatible with all mobile phones
that support Bluetooth headset, hands free,A2DP or AVRCP profiles.

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Contents
About your iBLU K-21………………………………………………………………………‥1
Getting started………………………………………………………………………2
Wearing your headset……………………………………………………………‥3
Standard charging time…………………………………………………‥5
Talk and standby time……………………………………………………5
Turning your headset on and off……………………………………………………6
Turning the built-in buzzer on and off………………………………………………6
Connecting mobile phone automatically when turn on the headset………………………………7
Pairing your headset………………………………………………………‥………‥………7-8
Using your headset……………………………………………………………‥9-10
Answering a call……………………………………………………‥9
Answering a call when listening to stereo audio………………………9
E n d i n g a c a l l ……………………………………………………9
R e j e c ti n g a c a l l ……………………………………………………9
Dialing from your mobile phone…………………………………………9
Voice dialing from your headset…………………………………………10
Last number redialing from your headset…………………………………10
A d j u s t i n g t h e v o l u m e ……………………………………………………11
R e mo t e c o n t ro l f u n ct i o n ……………………………………………………11
Car e and main t ena n ce……………………………………………………12-13
S a f e t y i n f o r m a t i o n ……………………………………………………14
T r o u b l e s h o o t i n g ……………………………………………………15
C o m p a t i b i l i t y ……………………………………………………15
P r o d u c t s p e c i f i c a t i o n s ……………………………………………………16

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About your iBLU K-21
Fig.1
fig.2

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Getting started
To use your iBLU K-21 headset, you are only required to following simple procedures：
Charge your headset
Pair your headset with a Bluetooth-enabled mobile phone
Instructions on how to follow these procedures are detailed in this user guide.

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Wearing your headset
Fig.3

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Charging your headset
The iBLU K-21 headset comes with a built-in rechargeable battery。
Prior to using the headset for the first time ，it is recommended that you fully charge the battery 。
Fig.4

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Charging Your Headset
Connect the charger to anA/C wall outer（mains socket）and the charger
Plug to the headset’s charging socket（fig.4）。the LED will be red whilst charging。
Standard charging time
Make sure that your headset is fully charged for 2 hours before you start using it ，when the
battery is fully charged，the red LED will turn off.
Disconnect the charger from AC wall outlet （mains socket）and the headset 。
Press and hold the MFB（fig.1）for 2 seconds to turn the headset on，
Please refer to “turning your headset on and off”on the next page。
Talk and standby time
The fully charged battery offers up to 6 hours talk time and up to 160 hours standby time。When
no calls are in progress，the headset remains turned on in standby mode。

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Turning your iBLU K-21 headset on and off
Turning on the headset
Press and hold the MFB for 2 seconds ,the LED will turn on in blue and hold about 2 seconds until
hear a long and a short deep, the LED will flash blue 5 times, that is to say the headset has been
turned on.
Turning off the headset
Press and hold the MFB for 4 seconds until you hear a long deep, the LED will turn red 2
seconds ,then the LED will stop flashing。
Turning the built-in buzzeron and off
Turning on the built-in buzzer
Press and hold the next track key for 2 seconds until you hear a long beep.
Note the built-in buzzer is set to “on ”.
Turning off the built-in buzzer
Press and hold the next track key for 2 seconds until you hear two short beep。
Now，when there is an incoming call，the ringing tone will only be heard through one earphone。

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Connecting mobile phone automatically when turn on the headset
After Bluetooth headset switch on, will automatically connect last pairing mobile phone..
If headset still not connects with your mobile phone or not connects to AV source, please press
MFB, the Bluetooth headset will connects the last paring mobile phone.
Anytime, if headset not connects mobile phone, please press up or push down volume key for 2
seconds, your headset will connects last paring mobile phone. also if headset not connects AV
source, please press the previous track and the next track key, the headset will connects the last
connectingAV source.
Pairing your headset
Prior to using your headset for the first time ，you must pair it with a Bluetooth-enable mobile
phone 。
The information on the following page describes a pairing instructions for a typical
Bluetooth-enable mobile phone 。
Headset pairing procedures can vary depending on the type of model of your mobile phone。

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Pairing Your Headset
1. Place the headset and the mobile phone where they are easily viewable and no more than 1
meter apart.
2. Ensure the headset is turned OFF.
3. Press and hold the MFB until the headset LED alternately flashes blue and red.
4. Activate your mobile phone’s Bluetooth function by referring to your mobile phone user
guide for details.
5. Set the mobile phone to search for Bluetooth devices within a 1 meter range as instructed in
the mobile phone user guide and select K-21 from the list.
6. Enter the preprogrammed passkey”0000”and press ”OK” to pair your headset and mobile
phone. When the pairing is complete, the headset LED will recover to regular flash blue
status .
7. Go back to your mobile phone’s main menu. For certain mobile phone models, a headset icon
will be shown on the screen. You should now be able to make and receive calls using your
headset.
IMPORTANT lf the pairing is successful, the LED will recover to flash blue regularly. If the
paring isn’t successful, the LED still alternately flash blue and red or mobile phone shows: 'No
devices found’, here, you should be pairing again.