That will depend on the requirements of your video source. A gaming console may require an HDMI 2.0 version connection at the monitor side for maximum performance. We recommend you check the requirements of the video source (computer or game console) that you will be using.

With a full charge the 4CELL_60WH_INTERNAL, Lithium Polymer Battery within the Lenovo Yoga C940-14 4K model number 81Q90041US, has up to a 10 hour battery life, depending on the work the device is performing. The overall longevity of the internal Lithium Polymer Battery is about two to four years or 1,000 charge cycles, whichever occurs first, before the charge span of the battery drops more than 50-percent of the original expected battery life. One charge cycle is a period of use from fully charged, to fully discharged, and fully recharged again.

Yes. The Lenovo IdeaCentre A340-22 All-In-One system, model number F0EA003RUS, ships with Bluetooth 4.0 capability built in.

That will depend on the requirements and compatibility of the software the child will be using. We recommend you check with both the productivity software as well as the game's software publisher's web sites of the software the child will be using on this computer, 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.