Measy RC13 Bidirectional Wireless Voice Air Mouse which consists of 79 keys, Air Mouse, Voice and Speaker feature. The air mouse feature uses a new kind of position technology. You can control the mouse cursor in the air easily. Built-in Microphone & Speaker. Let it works with most VoIP software, like Google Voice Search, Skype, MSN and AIM etc. Its portable and tiny design can be used HTPC, Android media players, smart TV and PC.