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Sennheiser MOMENTUM True Wireless 2 Instruction manual MOMENTUM True Wireless - Page 34

Information on the built-in rechargeable battery, Installing firmware updates

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Care and maintenance of the earbuds/charging case Information on the built-in rechargeable battery Sennheiser ensures and guarantees that the rechargeable batteries perform at their optimum upon purchase of the product. If, upon purchase or within the warranty period, you suspect that a rechargeable 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 immediately return the product to any Sennheiser service partner. Installing firmware updates Firmware updates can be downloaded free of charge from the Internet 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. 34 | MOMENTUM True Wireless 2

Section	Page
Important safety instructions	2
Preventing damage to health and accidents	2
Preventing damage to the product and malfunctions	2
Safety instructions for Lithium rechargeable batteries	3
Notes on the ingress protection rating of the earphones	3
Notes on data collection and processing and on firmware updates	3
Intended use/Liability	4
Package contents	5
Product overview	6
Charging case	6
Earphones	7
Overview of the LED indications of the charging case	8
Overview of the LED indications of the earbuds	9
Notes on voice prompts	10
Getting started	12
Using the earphones	14
Information on the rechargeable battery, the charging process and the first use	14
Charging the rechargeable battery of the earbuds and the charging case	15
Connecting the earphones to a Bluetooth device	16
Information on the Bluetooth wireless connection	16
Pairing the earphones with a Bluetooth device	17
Switching the connection to paired Bluetooth devices/“Connections”	18
Disconnecting the earphones from a Bluetooth device	18
Installing the Smart Control app	20
Selecting suitable ear adapters for optimum fit of the earbuds	21
Inserting the earbuds into the ears	21
Switching the earphones on	22
Switching the earphones off	23
Adjusting the volume	23
Information on active noise cancellation ANC	24
Activating/deactivating the active noise cancellation ANC	25
Listening of ambient noise or conversations - activating/deactivating the Transparent Hearing function	25
Adjusting the Transparent Hearing function	25
Using the voice assistant/voice dialing	26
Using the Smart Pause function	26
Controlling music playback	26
Playing/pausing music	27
Playing the next track	27
Playing the previous track	27
Making calls using the earphones	27
Making a call	28
Accepting/rejecting/ending a call	28
Using the Auto Call function	28
Using Sidetone	29
Displaying the battery charge status	29
Displaying the battery charge status using the charging case	29
Adjusting sound effects/the equalizer	31
Setting the voice prompts/beep sounds	31
Customizing the control functions	31
Storing or transporting the earphones in the charging case	32
Care and maintenance of the earbuds/charging case	33
Replacing the ear adapters	33
Information on the built-in rechargeable battery	34
Installing firmware updates	34
FAQ/If a problem occurs ...	35
Leaving the Bluetooth transmission range	35
Resetting the earphones to the factory default settings/Reset	35
Specifications	37
Manufacturer Declarations	39
Warranty	39
In compliance with the following requirements	39
EU declaration of conformity	39
Notes on disposal	39