That will depend on the requirements and compatibility of the device you want to connect. The Intel Evo-Certified, Lenovo Yoga 7i-14 ships with 2 Thunderbolt 4.0 ports. We recommend you check with the device manufacturer that you want to connect to the Yoga 7i-14 for the compatibility and requirements of the specific device model, then compare those specifications to the Yoga 7i-14 configuration.

The Lenovo Legion Y25-25 Monitor has a 3.5mm Audio Out jack for connecting a headset or external speakers.

The Lenovo IdeaPad 3 15 Laptop, model number 81WR000FUS, ships with a 3.5mm headphone / microphone combo jack. Although there is no built in CD/DVD drive within this model, you can use an external, USB-based Windows 10 compatible CD/DVD drive with this laptop, like this one: https://www.bestbuy.com/site/lg-8x-external-usb-double-layer-dvdrw-cd-rw-drive-black/5852919.p?skuId=5852919. This model ships with Windows 10 S-Mode 64-bit Operating System. Windows 10 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 10 Home 64-bit Operating System, at no additional cost. Here is a link to instructions for switching from Windows 10 S-Mode to Windows 10 Home: https://support.microsoft.com/en-us/help/4456067/windows-10-switch-out-of-s-mode

That really will depend on the software you will be using and the requirements and compatibility of that software. We recommend you check with the specific software publisher's web sites of the APPs you will need to use, for their compatibility with Windows 10 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.