How To

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How to avoid WiFi interference for your headphone

You might have to add a USB extension dock to get the JBL Quantum 350/600/800/810 dongle as close to the headset, or place the common sources of interference (e.g. routers, Wi-Fi speakers etc.) as far from the JBL Quantum 350/600/800/810 dongle.

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How to charge devices with your power bank

Ensure that your InfinityLab power bank is charged, then press the power button to trigger charging.
If nothing happens, please try to charge your power bank with a different charger and check the charging indicator next to the power button to see if the LEDs lights are blinking.

If it still doesn’t work, please contact our customer service team for help.

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How to charge the detachable surround speaker?

The surround speakers of our JBL Bar 800 or Bar 1000 can be recharged through the USB-C connection, located on the side of the speaker. The speakers can be charged by docking them in the soundbar also.

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How to charge your devices using wireless charging feature
To enjoy the wireless charging feature for your InfinityLab power bank, below are the instructions on how to activate it.
1. Press the power button (located on the front side, next to the battery indicator).
2. Place your device on top of the power bank.
3. The LED indicator on the side of the power bank will light up, indicating that the product is "charging."
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How to charge your Laptop device properly

To deliver 65W PD charging to your laptop, you will need a USB-C to USB-C cable supporting minimal 3A current.
To deliver 100W PD charging to your laptop, you will need a USB-C to USB-C cable supporting with E-Mark and supporting 5A current.

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How to charge your Mark Levinson No. 5909 Headphones

To charge, plug in the USB-C Connector and connect to a USB-C port (or USB-A port using the included adaptor).

Please note: you cannot listen while charging.

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How to charge your Quantum headphone

The battery is charged using an included USB-A to USB-C USB fabric cable. It will be fully charged for 2 hrs. Note, this cable is only for charging the battery, it will not deliver audio.

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How to check Firmware Version

To check the firmware version:
Press and hold the 'Preset 1' & 'Preset 5' buttons for more than 10 seconds.

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How To Check Software Version

To find out the software version, press and hold the [VOL- ] and [SOURCE] buttons simultaneously. The software version will scroll across the front display.

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How to clean and store your headphones
To clean your headphones, please follow the instructions below:
1. Clean earpads and headphones with a soft, slightly damped cloth.
2. Do not soak, submerge or allow moisture to enter near drivers and cable jacks.
  1. Earpads and cables can be purchased if worn out at www.Marklevinson.com.
3. Use a polishing cloth to wipe down after use to remove fingerprints etc.
Please keep them in the provided hard traveling case when not using the headphones to protect them from dirt and other substances.
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How to clean the glass and device
So your Pulse 4 got dirt on it, or even fingerprints, and you want to show off the device the best way possible.
Keep reading this article, and we will instruct you on how to clean the glass and device.

How to clean your speaker
- Dirt and stains on your speaker can be cleaned under lukewarm running tap water.
- Use a soft cloth, preferably cotton, to clean the glass and to remove fingerprints. Hold the top part to avoid adding more prints to the glass part.
Remember not to charge the device while it is still wet. The charging port needs to be completely dry before charging.
Contact our Customer support for more help and advice to keep your speaker top-notch!
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How to clean your earbuds
Use a clean cotton swab slightly moistened with alcohol to:
1. Remove earwax and dirt from the ear tips on your earbuds.
2. Clean the charging pads and ports on your earbuds and in the charging case respectively. Then use a dry and soft cotton to rub down the dust and lint.
3. Clean the grooves on the cover and at the bottom of the charging case.
After cleaning, make sure the charging case and earbuds are dry before putting the earbuds back into the charging case.

TIP: We recommend that you repeat this operation every few weeks or so to keep your headphones clean and to not affect the charging speed and quality.
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