Using The Earbuds; Information On The Rechargeable Battery, The Charging Process And The First Use - Sennheiser SPORT True Wireless Instruction Manual

Using the earbuds

14 | SPORT True Wireless
Using the earbuds
Information on the rechargeable battery,
the charging process and the first use
The earbuds and the charging case each have a built-in rechargeable
battery. The charging case allows you to store the earbuds safely at
all times while on the go, and they are being charged at the same
time.
Upon delivery, the reachargeable batteries of the earbuds and the
charging case are in sleep mode. Remove the protective foil on the
charging contacts of the earbuds and connect the charging case to
a USB power source to exit sleep mode.
A complete charging cycle of the charging case and the earbuds
takes about 1.5 hours. The quick charge function gives you approx. 1
hour of playback time after 10 minutes of charging. The charging
time can vary depending on the power source used and the ambient
temperature.
We recommend charging the earbuds and the charging case for a
complete charging cycle without interruption before using for the
first time.
We recommend using the supplied USB cable and a compatible
standard USB power supply for charging the headphones.
When a USB cable connected to a power source is also connected to
the charging case, the rechargeable battery of the charging case is
being charged. When the earbuds are inserted into the charging
case, their rechargeable batteries are being charged at the same
time. The LED of the charging case displays the charge status (> 8).
When the battery charge of the earbuds drops to a critical level, a
voice prompt asks you to recharge the earbuds ("Recharge head-
set").
The charge status of the rechargeable battery of the charging case
is displayed by the LED on the charging case (> 8).
At the end of its operational lifetime, this product with its built-in
rechargeable battery must be disposed of separately from normal
household waste. You can find more information here: > 39.
Charging the rechargeable batteries of
the earbuds and the charging case
L
1
R
2
USB-C
3
USB-A