INDA LB918 User manual

User Manual
Bluetooth wireless stereo headset
Brand Name: INDA
Model Name: LB918
FCC ID: OSNLB918

***Important note before use***
If your PC don't have built-in bluetooth function, we suggest you using version 2.1 bluetooth dongle or
above
I. Function:
Wireless HI-FI music;
Unique foldable design, convenient to carry
Wireless chatting;
HI-FI, CD quality sound;
High sensivity Mic. With chatting function, no noise;
Compatible with Cellphone with Bluetooth function; Iphone; Notebook.;
Distance: 15~20M
II. Package content:
Headset; User manual; Bluetooth Adapter（Option）, USB charge cable, 3.5mm audio cable（1M）
II. Keys function:
1．Indicator
2．Volume-/Previous song
3．Volume+/Next song
4．ON/OFF/Pairing/Pause
5．Microphone
6．Usb5V Input Port
7．Audio Input Port
When pairing: Red/Blue LED glitter in turn.
When Connecting: Blue LED glitter slowly.

When charging, Red LED keeps on, and off when headset is fully charged.
Micro USB charge port-for charge purpose
3.5mm audio jack for wired headphone use, you can connect headphone to any audio source (with 3.5mm
audio jack, like mobile phones, tablets, pc etc) as wired headphone.
Headset Charge:
Battery: Built-in rechargeable lithium battery, DC: 3.7V/200mAh
Charging power: Through computer USB OR DC5V port.
Charging time: For the first usage please put to charge at least 4 hours continuously, For subsequent Charging 2-3 hours is
sufficient for 5-6 hours of usage at average volume. When charging, Red LED keeps on, and off when headset is fully
charged. NEVER leave it to over-charge.
III. Headset Pair
1．Pls put your cellphone within 1M away from your headset, the closer, the better.
2．Long press button till red/blue LED glitter in turn, then headset is in pairing.
3．Open the Bluetooth function on your cellphone, search the Bluetooth device, then confirm with password No. 0000
if necessary.
4．After your cellphone is paired with headset, headset will automatically enter into Standby Mode, with blue LED
glittering 2 times fastly by each 6 seconds.
Remark: The time limited for Bluetooth headset is normally 2-3 minutes, if the red/blue stop glittering in turn, the pairing is
finished; If you failed to pair, pls repeat the above steps.
IV. Answer the Call and Stop the Call
When calling is coming, there will be indication sound in the headset, press the power button shortly, then you can answer
the call. Or you can use your cellphone to answer the call. Long press the button to refuse phone call.
When finished the call, pl press the power button shortly again to stop the call or you can use your cellphone to stop.
V. Exchange the headset calling into Cellphone calling
You can press the power button for 3 seconds to change the call between headset and cellphone.
Choose music
When listen music from PC, press “ON/OFF”key quickly to pause , also press Volume+”and“Volume-”key quickly to
choose songs
Adjust volume:
Long Press Volume+”and“Volume-”to adjust the volume.
VI. VOIP function for Mobile phone use
1. Under standby mode or music playing status, if you press “Power” button shortly, Mobile phone will enter into
VOIP mode; After stop VOIP, music will continue to play on your mobile phone.
2. Re-call the last calling:
This headset can support last calling re-call, just press the power button for 2seconds, then you can re-call the last
calling No.
VII. Music listening
1. When listening the music on mobile phone, if there is call in/out, the music will stop, and continue to play after
calling.
VIII. Headset Sleeping function
After you disconnect the bluetooth connection between PC/Mobile phone and headset, the blue LED light will glitter
one time slowly by each 6S, you can directly re-connect the PC/Mobile phone with headset by clicking connection

function with in 10 minutes. No need to re-pair or re-power the headset. After 10 minutes, the headset will power-off
automatically, then if you want to use your headset, you need to power on it (blue LED light glitters quickly),
headphone and mobile phone connects automatically.
IX. Specification:
* Bluetooth Specification v3.0
* The latest version ofA2DP1.2 andAVRCP1.0 profiles support
* Supports Bluetooth Headset and Handsfree Profile(HFP 1.5)
* RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
* Radio Performance: Receive Sensitivity of -85dB, TX Power Max 4dBm
* Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 dB, Total Harmonic Distortion
(THD):0.1%,
* LED Indicator Status: Blue, Red
* Operating Temperature: -10 oC - 50oC
Attention:
If headphone can’t switch on, maybe the power is not enough, please fully charge power then turn on it.
To longer working time of battery, please remember to turn off headphone after use and only use the professional
charge tools to charge power.
Please charge power at least 4 hours at first time, later just 2-3 hours will be enough.
Please charge power at first if the headset hasn’t been used for long time.
The battery of headset is original and please don’t change it by yourself.
Please don’t put the headset in wet place or rainy place.
Please don’t put headset in hot place or near place of temperature over 50℃, and don’t put the headset into fire in
case of battery blast accidents.
Please don’t pull bracket over 45°, and don’t twist headset bracket.
Please don’t tear down headset by un-professional person.

Important Regulatory Information
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.
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.