M5 AudioCast is a small device that plugs into your speaker for streaming music through WIFI. It can be set up simply to use your for , iPad, Android mobile phone to cast your favorite tunes to speakers in the house. It is an innovative wireless audio adapter which can turns your current speakers,home theater into a wireless Multi-room sound system by connecting to your home WIFI network.Wireless Streaming Stereo Music from Mobile Devices and PC.Support DLNA,Airplay, Connect, QplaySupport System: IOS7 or Higher Version, Android 4.0 or Higher Version,Windows 7 and Mac10.9 or Higher VersionWPS One Button Click for WIFI Connection----Save complicated and trouble set up procedure WIFI Range: about 50 MetersStreaming from Cellphone Memory /UPNP Server /Online Music Service Stereo Pair: Turn two M5 into separate left and right channel speakers to create wider, bigger, and deeper sound.Rich Music Service: , , iHeartRadio, more coming with updates ,such as Dezzer,Google Music, etc.Wireless Multi-Room & Multi-Channel Audio Streaming: Drug and play-easiest Multi-room control system in the world .Music Alarm Clock with Full Alarm Setting .Auto-Power off with Full Setting .Voice Reminder : Voice reminding for some setting operation Streaming Quality Option--Super Quality/High Quality/Low Quality. Different streaming quality option to match the real network situation to ensure best user experience.With 3.5mm AUX in port, upgrade the normal speaker into WIFI speaker.Multi-Room Function: synchronized music or different music to multiple speakers; Drug and play control mode ,easiest way to control; control all speakers, played songs,volume,fast forward ,back forward ,switch ,and play all at same timeMini size, portable to carry, easy to use.Material: PlasticPackage included:1 x Wireless WIFI Audiocast Music Streaming Receiver Player 1 x USB Cable1 x Line-in Cable1 x User ManualNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.