&lt;ul&gt;  &lt;li&gt;  100% New USB Bluetooth Dongle Adapter Version CSR 4.0 retail packaged&lt;/li&gt;  &lt;li&gt;  Compliant with Bluetooth Version 3.0 2.1 and 2.0&lt;/li&gt;  &lt;li&gt;  Plug and Play no driver disk required&lt;/li&gt;  &lt;li&gt;  Support Bluetooth voice data&lt;/li&gt;  &lt;li&gt;  Enhanced Power Control (EPC)&lt;/li&gt;  &lt;li&gt;  Alternate MAC/PHY&lt;/li&gt;  &lt;li&gt;  HCI transport updates for USB and SDIO&lt;/li&gt;  &lt;li&gt;  Simple pairing and anti-jamming design&lt;/li&gt;  &lt;/ul&gt;