Phuc Pham

The library is from http://mobiledetect.net/. The BODY tag needs to use the body_class() function. The values: desktop, handheld, mobile, tablet, ios, android. See the screen shots for more.
Mobile_Detect.php version 2.8.20

Mobile Detect For CSS

The library is from http://mobiledetect.net/. The BODY tag needs to use the body_class() function. The values: desktop, handheld, mobile, tablet, ios, …

Kleor

Device Detect allows you to detect the device of the user, and to easily insert into posts, pages and widgets of your website some contents only for the phones, tablets or computers.
<ul>
<li><a href="https://www.kleor.com/device-detect/" rel="nofollow ugc">Documentation</a></li>
</ul>
<h3>Plugins from the same author</h3>
<ul>
<li><a href="https://www.kleor.com/commerce-manager/en/" rel="nofollow ugc">Commerce Manager, to sell your products</a></li>
<li><a href="https://www.kleor.com/affiliation-manager/en/" rel="nofollow ugc">Affiliation Manager, to create your affiliate program</a></li>
<li><a href="https://www.kleor.com/membership-manager/en/" rel="nofollow ugc">Membership Manager, to create your members areas</a></li>
<li><a href="https://www.kleor.com/optin-manager/en/" rel="nofollow ugc">Optin Manager, to build your prospects lists</a></li>
<li><a href="https://www.kleor.com/contact-manager/en/" rel="nofollow ugc">Contact Manager, to create your contact forms</a></li>
<li><a href="https://www.kleor.com/easy-timer/en/" rel="nofollow ugc">Easy Timer, to display count down/up timers</a></li>
<li><a href="https://www.kleor.com/content-switcher/en/" rel="nofollow ugc">Content Switcher, to display random or variable contents</a></li>
</ul>

Device Detect

Allows you to detect the device of the user, and to display some contents only for the phones, tablets or computers.

Mobile Detect For CSS vs Device Detect