The XPD2 is a wireless lavelier microphone solution for content creation, digital live streaming, presentations and live sound reinforcement. 
2.4GHz USB digital wireless system
Plug-and-play operation with Mac and Windows
Works with iPad via Apple's Lightning to USB Camera Adapter
Works with Android devices via a host OTG adapter
RXD2 USB stick receiver connects to computers, smartphones and XPD Wireless-enabled Samson portable PA systems.
Receiver features a 1/8" (3.5mm) headphone/monitor output