Multi-room and multi-channel wireless audio streaming, the world's simplest multi-room control system Music alarm, full alarm settings Automatic shutdown, full adjustment Voice prompts for certain settings operation Streaming media quality : Super quality/high quality/low quality, different quality streaming can match actual network conditions to the best user experience.note: Due to different batches, the appearance, color and printed words of the product , which will not affect the use. Type:Wireless Audio Cast :for iOS,Android Wireless Communication:WiFi Device Setting: Timed Auto Power Off:Countdown mins: 10/20/30/60/90mins Timed Music Alarm Clock:Music Sources(local or online)/Volume Define/Frequency/Alarm time setting Device Rename:Support Device Rename,allow user to change the device to the name they like,such as Kitchen/Bedroom Device :Network Status/Device Name/SSID/IP/Firmware Version/Build Date/Language/Device Password/UUID/Restore Factory setting Device Password:Support Restore Factory Setting: Restoring Default setting Power Supply:DC5V 1000mA with Micro-USB Analog audio interface:3.5mm Earphone audio output Operation Step: 1.please use USB cable to connect power adapter and Audiocast streaming box,and plug the power adapter in socket,at last connect the Audiocast box with speaker or amplifier by audio cable 2.Download "Audiocast" App (iOS user can search "audiocast" in .For Android user,can search "Audiocast"in any Apk market) 3.Please your mobile phone has connected to the 2.4GHz network ,open "Audiocast" software,click "Add device "according to system prompt to input the password of your home router,then press the WPS key on box.box will remind" Searching for WiFi connection"by voice,after 10-15 second,we will finish set-up for Audiocast streamer Material: ABS colour: Black Package Contents: 1 x For Airplay Receiver 1pcs x 3.5mm audio cable 1 x USB cable Only the above package content, other products are not included. Note: Light reflection 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.