Installation Manual

Table Of Contents
Care and maintenance of the earbuds/charging case
34 | MOMENTUM True Wireless 2
Information on the built-in rechargeable
battery
Sennheiser ensures and guarantees that the rechargeable battery
performs at its optimum upon purchase of the product. If, upon pur
-
chase or within the warranty period, you suspect that the recharge-
able battery is obviously defective or if a charging error/battery error
is displayed (>
8), stop using the product, disconnect it from the
power supply system and contact your Sennheiser partner. Your
Sennheiser partner will coordinate the repair/replacement with you.
Do not return a product with a defective battery to your dealer or
Sennheiser partner unless requested to do so. To find a Sennheiser
partner in your country, search at
www.sennheiser.com/service-
support.
Installing firmware updates
Firmware updates can be downloaded free of charge from the Inter-
net using the Sennheiser Smart Control app.
Connect your earphones to your smartphone and start the Smart
Control app (>
20).
The app provides information on available firmware updates and
guides you through the installation process.