No.
Mobile == all mobile devices
Chrome === all devices (Mobile and Desktop)
Safari === all devices (Mobile and Desktop)
You should look into the topic of user agents a little more intensively. You don't seem to have any knowledge of what a user agent is and unless you know that, you don't know what you're doing. First ask Google what a user agent is and how the user agent differs depending on the browser and device.
Mobile == all mobile devices
Chrome === all devices (Mobile and Desktop)
Safari === all devices (Mobile and Desktop)
You should look into the topic of user agents a little more intensively. You don't seem to have any knowledge of what a user agent is and unless you know that, you don't know what you're doing. First ask Google what a user agent is and how the user agent differs depending on the browser and device.