&lt;ul&gt; &lt;li&gt;Dual connectivity: 2.4GHz wireless + Bluetooth&lt;/li&gt; &lt;li&gt;Built-in rechargeable battery – no external batteries needed&lt;/li&gt; &lt;li&gt;Adjustable DPI: 800 / 1200 / 1600 DPI&lt;/li&gt; &lt;li&gt;Silent click design for noise-free use&lt;/li&gt; &lt;li&gt;Compatible with Windows, Mac OS, Android, iOS&lt;/li&gt; &lt;/ul&gt;