Sennheiser M2 AEBT Headphones User Manual


 
M2 AEBT | 11
Getting started
Getting started
Charging basics
A complete charging cycle takes about 3 hours. Before using the headphones for
the first time, charge their rechargeable battery for a complete charging cycle
without interruption.
When the battery is almost empty or when the headphones are being charged,
the LED lights up or flashes as indicated in the table below and a voice prompt
announces the charge condition of the battery. When the battery charge drops
to a low level, a voice message prompts you to recharge the headphones to
avoid call and music disruptions.
It is recommended to charge the headphones using only the supplied USB cable.
If you are charging using an external USB-power adapter, it is recommended to
use an adapter with an output rating of 500 mA or higher.
LED Meaning Voice prompt
Battery is almost empty
(less than 2 % charged)
“Recharge headset“
“Power off”
Battery is less than 15 % charged “Below 3 hours play time”
Battery is less than 25 % charged
“Between 3 and
5 hours play time”
Battery is less than 50 % charged
“Between 5 and
11 hours play time”
Battery is less than 80 % charged
“Between 11 and
18 hours play time“
Battery is more than 80 %
charged
“Between 18 and
22 hours play time“
5m
Battery is fully charged
“Between 18 and
22 hours play time”
3h