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Wireless Bluetooth Headset Operation

3

4

1. Power on

Press and hold the entity button for 2 seconds when power is off

2. Power

off

Press and hold the entity button for 6-7 seconds when the power

is on, then the red LED will be flashing for one second and a 

notification sound will be heard accordingly

Wireless Bluetooth Headset Operation

3. Connect earphone to cellphone                   

Enter connection mode of cellphone: when the power is off or the 

blue LED is flashing, press and hold one of the entity buttons 

which in L/R earphones for 3-4 seconds, then both red and blue 

LEDs flash alternately and fast. Use the Bluetooth function in your 

cellphone to search for “D900” and click connection; input the code 

“0000” if needed

Summary of Contents for D900

Page 1: ...e P1 About Syllable P1 Wireless Bluetooth Headset Operation P2 Product Maintenance P8 Trouble Removal P8 Product List P9 Main Characteristics and Parameters P9 Contents EN Black Bean Bluetooth Headset Note P7 ...

Page 2: ... tactile disc 2 1 3 4 5 4 Entity button Preface About Syllable Syllable is a high quality headphone brand created by Shenzhen Kaijuyuan Technology Co Ltd durability fashion style and exceptional sound Syllable means syllable which is the basic element in music We want to use our technology and craft to make a high quality headphone which can let you feel each nice syllable of music Wireless Blueto...

Page 3: ...d a notification sound will be heard accordingly Wireless Bluetooth Headset Operation 3 Connect earphone to cellphone Enter connection mode of cellphone when the power is off or the blue LED is flashing press and hold one of the entity buttons which in L R earphones for 3 4 seconds then both red and blue LEDs flash alternately and fast Use the Bluetooth function in your cellphone to search for D90...

Page 4: ...ime then release the entity button and both red and blue LEDs will be flashing alternately and slowly or release the entity button after a beep sound to be heard two earphones flashing red and blue lights alternately and slowly ready for pairing and searching for the link automatically For the paired previously earphone cellphone press and hold Power On button for 2 seconds to automatically connec...

Page 5: ...r during charging no voltage output from AC adaptor Shut down automatically low battery charge for about 3 hours Echo volume is too high or environment is too noisy adjust volume or change environment Noise during phone calls environment disturbance or headphone Is too far away from device change environment or shorten the distance between headphone and device Low volume of the caller wrong wear o...

Page 6: ...ng Matched storage box is provided with built in Lithium electric device that can provide charging support more than six times to earplug 3 Sing headset or both headsets Each earplug is provided with a complete set of circuit system so that you can use a singe one or both two 4 Active noise reduction Adopt active noise reduction circuit design in combination with in ear earplug design to effective...

Page 7: ...l interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television ...

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