Wireless Cube IP Camera support 2 way audio Description:It adopts M-JPEG compression format, support 2 way audio, WiFi, built-in Pan/Tilt ... visual prefer. -With built-in Microphone, it enables user to monitor the sound on the site. User can also connect this ... network setting. -Support 802.11b/g protocol, can build up wireless monitoring. -Supports UPNP, port forwarding automatically on the router. - ...