You can use a wireless, Bluetooth 5.0 Version compatible mouse or with a USB-c to USB adapter like this one: https://www.bestbuy.com/site/insignia-usb-c-to-usb-adapter-black/6473492.p?skuId=6473492, convert one of the USB-c ports on this Lenovo IdeaPad Windows Duet 3i and use a Windows compatible wired mouse with this IdeaPad Windows Duet 3i. We recommend you check with your mouse manufacturer's web site for compatibility with Windows 11.

That will depend on the requirements and compatibility of the specific APP you want to download. This lenovo IdeaPad 3i 15 Laptop, model number 81X800MCUS, ships with Windows 11 S-Mode, 64-bit Operating System installed. Windows 11 S-Mode provides added security by only allowing APPs available ( and therefore certified by Microsoft) at the Microsoft Store. If you don't need the added security or you need to install APPs not available at the Microsoft Store, you can switch to standard Windows 11 Home 64-bit Operating System, at no additional cost. We recommend you check with the specific APPs software publisher's web site for their compatibility with Windows 11 S-Mode 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration. If you choose to switch out of S-Mode for Windows 11 Home: Here is a link to instructions for switching from Windows 11 S-Mode to Windows 11 Home: https://support.microsoft.com/en-us/windows/switching-out-of-s-mode-in-windows-4f56d9be-99ec-6983-119f-031bfb28a307#WindowsVersion=Windows_11

This Lenovo IdeaPad Flex 5 16, model number 82RA003UUS, ships with a Integrated 52.5Wh, Lithium-Polymer Battery, which within this model configuration, has a battery life of up to 8 hours depending on the work the device is performing.

That will depend on the requirements and compatibility of the specific version of the game you want to run. This Lenovo Legion Tower 5 AMD Gaming Desktop Computer, model number 90RB0027US, ships with Windows 11 Home, 64-bit Operating System installed. We recommend you check with the specific game's software publisher's web site, of the specific version of the game you want to play, for their compatibility with Windows 11 Home 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration.