Sennheiser M3AEBTXL Instruction Manual page 18

For good sound quality and best possible wearing comfort, the headband can be adjusted to properly
fit your head.
▷
Wear the headphones so that the headband runs over the top of your head. The markings
right side and L for the left side can be found in the ear cups.
▷
Move the ear cups up and down the headband slider until:
–your ears are comfortably covered by the ear pads,
–you feel even, gentle pressure around your ears,
–a snug fit of the headband on the head is ensured.
For optimal sound quality and active noise cancellation ANC, the ear pads must completely surround
your ears.
Retrieving information on the battery charge status
When the headphones are connected to your Bluetooth device, the battery charge status can be
displayed on the screen of your smartphone (depending on the device and operating system used).
The Smart Control app also displays the battery charge status.
On the headphones, you can check the battery charge status via the voice prompts (not possible
during a call):
▷
Press and hold the multi-function button for 2 seconds.
Voice prompt
"Recharge headset"
"More than xx % battery
left"
Meaning
The rechargeable battery is empty.
Charge the rechargeable battery (> 10).
In addition, the LED flashes red.
The remaining battery charge is
displayed as a percentage.
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