For the MOMENTUM 4 Wireless headphones, identify the transducer size, maximum battery life, and fast-charging capability (listening hours from 10 minutes charge). Then, confirm if the Sennheiser Smart Control App, used for personalization, is available on both iOS and Android platforms.
Navigate to the MOMENTUM 4 Wireless product page. Expand any 'Show more' sections to reveal full product details. Identify the transducer size. Identify the maximum battery life. Identify the fast-charging capability (hours of listening from 10 minutes charge). Navigate to the 'Support' section of the website. Locate information regarding the Sennheiser Smart Control App. Determine and state if the app is available for both iOS and Android platforms.
State the transducer size for the MOMENTUM 4 Wireless headphones is 42mm. State the maximum battery life is up to 60 hours. State the fast-charging capability is 6 hours listening in just 10 minutes. Confirm that the Sennheiser Smart Control App is available on both iOS and Android platforms.