ZONOKI DIGITAL TECHNOLOGY Z-B90 BLUETOOTH HEADSET User Manual UsersManual
SHENZHEN ZONOKI DIGITAL TECHNOLOGY CO., LTD. BLUETOOTH HEADSET UsersManual
User Manual

Operation Manual for Z-B90 Bluetooth Headset 
Thank you for using our company’s Bluetooth headset product,for your easy, happy 
to use this product. Please read this manual carefully before you use. 
A.Brief Introduction: 
     This products is a stereo headset designed according to advanced somatology.Get rid of   
disturbing cables,connected with mobile,computer and other bluetooth equipments wirelessly, to 
make you enjoy the freely communicating and listening,reduce the damage of computer radiation. 
    Near-perfect slinky exterior, acoustic, ergonomical design,make you more comfortable, 
beautiful and convenient .With retractable and adjustable design, you can wear it in the best ways to 
listen the music or voice. The advanced digital audio compression, decoding and transmission 
technology with a rubidium iron boron core of speakers to maximize the reduction of stereo music, 
help you feel free to enjoy high-fidelity, CD quality stereo music.   
B.Use range:   
1. Pair with the Bluetooth mobile, wireless enjoy mobile phone music and incoming call. 
2.Pair with PC (with Bluetooth function or connect USB adapter), wireless enjoy network music 
and voice chat. 
3. Support iPhone,iPad Bluetooth matching connection. 
C.Accompanying accessories: 
 1. B90 wireless stereo buletooth headset    1pc 
    2. USB cable                          1pc 
    3.Operation Manual                     1pc 
D. Key Direction 
1. Multifunction button     
2. LED work indicator 
3.Volume  “+” 
4.Volume  “-” 
5.USB charging slot 
6.Play/Pause 
7.Previous 
8.Next  
E.Charge bluetooth headset: 
   1. Battery: Rechargeable lithium battery 
    2. Charging source: Computer USB port or DC 5V/500mA charger 
    3, Charging time: To prolong the battery service life, please charge it above 3 hours to let it full 
of energy when first time using.After the first time using, charge it 2-3hours will be enough. 
   4, Charging status: Connecting USB DC cable or charge source to charge, the red light is 
bright,when the battery is saturated the red light is disappeared.     
F.Introduction of Bluetooth Equipments Pairing: 
The headset entering into pairing status: Long press Multifunction button (about 10 seconds) until 
green and red light flash alternately, then release button,the headset enter into pairing status.     
Open the mobile bluetooth function,and searching the bluetooth equipment. 
After searching,you will get “Z-B90”  in your mobile equipment list, and then you will be required 
to enter Pin-Code, please enter password 0000(some mobiles support free pairing function no 
required to enter Pin-Code,will connect automatically ), press acknowledgement key to pair and 
connect( some mobiles need to manual connection after paired successfully) 
After pairing successfully,green lights will flash,then you can answer the phone or enjoy the mobile 
setero music( some mobiles required to choose Bluetooth playing and the connected Bluetooth 
headset when playing music). 
Answer the telephone: When the calls comes, you can hear the ring tones, the headset red & green 
light keep flashing,pressing the Multifunction button to answer phone, the green light will flash 
after get through.During talking,press voice volume+/-in the headset or mobile to adjust volume. 
Refuse to answer: When the call comes, press the Multifunction button twice in rapid succession, 
refuse to answer. 
Call forwarding: During talking, long press play/pause button, it enters the mobile answering 
status,long press play/pause button again,it back to headset anwsering status (some mobile required 
to mobile operate to enter the mobile answering )     
8. Finish call: During talking or dialing,press Multifunction button shortly to finish talking. 
9.. Redial: Press Multifunction button twice in rapid succession,redial the last phone number. 
10. Enjoy the mobile music: Connect the mobile to Bluetooth headset,and open the music 
player,can enjoy the music from mobile with Bluetooth headset wirelessly,control play status with 
buttons in mobile or headset. 
1) Play/ pause: Press play/pause button shortly, switch play and pause status for music. 
2) Adjust volume: Press Volume “+” or "-" button shortly, to control volume,long press to 
continuous adjusting. 
3) Music selection: Press the Up  ▲ or ▼  Down buttons to switch songs. 
Shutdown: Long press Multifunction button 3 seconds, red light flash 3 times,and then turn off. 
12.Startup automatical connection: Long press Multifunction button under the shutdown 
status,release the button after the green light flash ( please don't press until green&red flash 
alternately), begin to connecting mode. At this time, if the headset don’t pairing with any 
equipments, the headset will automatically go to the searching status. If ever connected with other 
Bluetooth equipments, then automatically connected the history equipments. 
13. Reconnection: After the headset and mobile disconnection,the headset is enter into disconnetion 
standby status, the red light in headset will flash,and then press the Multifunction button shortly, the 
headset will automatically connected the history equipments.     
 Remark: Base on different design for different mobiles, the connection and function will be 
different.  
G.Computer connect with headset: 
     There is two kinds of situation for Bluetooth and computer connection.: a, The computer have 
built in bluetooth,can use bluetooth software to connect    b, If the computer don't have bluetooth, 
need to insert USB dongle and install IVT bluetooth drive software. Below is the instruction for the 
last kind: 
1.Installing the IVT bluetooth drive software 
2.USB dongle insert into computer USB port ( better to insert into the computer front USB port) 
3.Headset into pairing status. 
4.Start-up IVT Bluetooth drive software in the computer,click " Refresh Equipment" in "View 
Menu",start to search the bluetooth equipment. 
5, After searching,then you can find the "Z-B90"in equipment list,choose"Z-B90" in the list,and 
click right mouse button,click"connection",then appeared two options: a,Bluetooth high quality 
audio service( use to listen music) b, Bluetooth headset service (use to voice chat), after select the 
service needed,the computer will required to input pairing code,please input the Pin-Code  “0000” 
to pair. If select headset service, to accept connection by press on/off button after headset issue a 
beep with red&green light flashing together.If select audio service,no need to press button but 
connect automatically. 
6.After pairing successfully,the green light in headset will be flash, you can enjoy the computer's 
music or voice chatting then. 
Remark: a.Base on different design for different computer or TVT edition, the connection and 
function will be different.   
        b.When using TVT software to connect Bluetooth,please select right Bluetooth service, 
forbid to connect audio and headset at the same time, Otherwise may cause problems such as silent 
call. 
H. Low power alarm: As the battery voltage is lower than 3.3 V,the red light will flash twice 
rapidly every 30 seconds,and issue a beep,as the battery voltage is lower than 3.0V,the headset will 
shut-off    automatically,please charge it as quick as possible.     
I: Off automatically: Headset will automatically shut-off after no pairing for 3 minutes. 
J. Resetting: If the headset can not turn off, can be reset to normal condition by charging.       
K. Important information: 
1.Can not start or shut-down automatically after start: The bluetooth headset is low power,please 
charge it as quick as possible. 
2.Can’t find Bluetooth equipment or paring: 
  a. Please put headset and other paring equipments in 5 meters,no big barrier between the two 
pairing equipments. 
  b. Make sure the headset is in pairing status. Mobile/computer and other Bluetooth equipments 
are in searching status. 
 c.Delete all the history paired Bluetooth equipments in mobile or computer, restart the 
mobile/computer and pairing. 
3, Pairing successfully,but no sound in the headset 
  a.Check mobile/computer,headset connection device connected correctly 
    b. Check whether mobile/computer,headset volume has adjusted to the minimum. 
    c.Restart the player software after connected. 
  d.Delete all the history paired Bluetooth equipments in mobile or computer, restart the 
mobile/computer and pairing. 
4. Noises arise or intermittent: 
   a.Make sure the equipments within the effective distance,no big barrier between the two 
pairing equipments.Otherwise the signal will be weak,and cause noises arise or voice intermittent. 
    b.Low battery power in the mobile/computer and headset 
    c. Mobile/computer and Bluetooth is within a weak-signal area, its effect will be worse. 
5. When pairing with mobile phone, normal communication but no sound in the headset when 
playing music. 
    a.some mobiles required to choose Bluetooth playing and the connected Bluetooth headset when 
playing music 
  b. Some mobiles support Bluetooth communication, but not support Bluetooth stereo music 
playing. 
L.Attentions: 
1. In order to prolong the battery service life,please remember to turn it off after using.At first time 
to use the product,charge the headset battery for 3 hours at least. Please use the qualified charging 
equipment to charge. 
2.If headset do not use for long time,please put it into packing box with shut-off status, to avoid 
damage.Need to charge it 1 time at least per 2 months. 
3. Don't put headset on wet or rain place. 
4. Don't put the headset at hot place or at place temperature which higher than 45℃ , do not put 
into fire    avoid accident happen. 
5.When operating,please don't greatly forcibly.     

6.Please do not tear down headset by un-professional person. 
M. Features and specifications: 
z This product adopts bluetooth communication technology,realize wireless connection. 
z Can enjoy stereo music playing and voice chatting wirelessly after pairing with 
mobile,computer and other Bluetooth equipments. 
z Support iPhone,iPad bluetooth pairing connection. 
z 3.7V rechargeable lithium battery, can be working 8 hours continuously after fully charge.   
z Adjustable headband design, the headset pad use skin-like artifical leather,comfortable and 
durable,to reveal noble quality. 
Item: Specification: 
Bluetooth edition  V2.1+EDR   
Frequency coverage  2.402GHZ~2.480GHZ ISM Band 
Wireless transmitter standard  CLASS 2 
Transmit Range  About 10m 
Frequency Response  20HZ-20KHZ 
S/N rate    80db 
Speak power rate    2X15mW 
Status Indication  LED indicator 
Pairing products  Computer USB interface, DC5V  500mA power adapter 
Battery  Rechargeable lithium ion battery 3.7V 300mA 
Charge Power  Computer USB interface、output DC 5V/500mA charger 
Charge Time  2-3 hours 
Operate  hours  About 8 hours 
Standby time(together with 
mobile standby) 
About    than 65 hours (battery saturation) 
FCC WARNING 
This device complies with Part 15 of the FCC Rules. Operation is 
subject to the following two conditions: 
(1) This device may not cause harmful interference, and 
(2) this device must accept any interference received, including interference that may cause 
undesired operation. 
NOTE 1: Any changes or modifications to this unit not expressly approved by the party 
responsible for compliance could void the user's authority to operate the equipment.