Checking The Remaining Battery Life From The Headphones - Sennheiser PXC550 Instructions Manual

Using the headphones
4s
LEDs
30 | PXC 550
Checking t he remaining bat t ery life from t he headphones
You can check the remaining play and talk time at any given time except when
you are on an active call or when listening to music.
Tap and hold the touch control panel for about 4 seconds.
You hear the voice prompt announcing the remaining play time and the LEDs
flash/light up depending on the battery charge level.
Meaning
Battery is almost empty
(less than 2% charged)
5s
Battery is less than 15% charged
5s
Battery is less than 25% charged
5s
Battery is less than 50% charged
5s
Battery is less than 75% charged
5s
Battery is more than 80% charged
(battery is almost fully charged)
5s
Battery is fully charged
1m
Depending on your smartphone, the battery life of your headphones
may also be displayed on the screen.
Voice prompt
" Re charge he adse t"
" Le ss than 20% batte ry le ft"
" Mo re than 20% batte ry le ft"
" Mo re than 40% batte ry le ft"
" Mo re than 60% batte ry le ft"
" Mo re than 80% batte ry le ft"