&lt;ul&gt; 
&lt;li&gt; Number of Keys: 8+1 Buttons&lt;/li&gt; 
&lt;li&gt; Connection Type: USB&lt;/li&gt;         
&lt;li&gt; Optical Sensor: 500-4000 dpi&lt;/li&gt; 
&lt;li&gt; Cable Length: 1.8 ± 0.01m&lt;/li&gt; 
 &lt;li style=&quot;border-bottom: 1px solid black;&quot;&gt; Others: RGB LED Back Light&lt;/li&gt; 
&lt;ul&gt; 
