Timed Auto Power Off: Countdown mins: 10mins / 20mins / 30mins / 60mins / 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 Living Room / Kitchen / Bedroom. Device Info: Network Status / Device Name / SSID / IP / Firmware Version / Build Date / Language / Device Password / UUID / Restore Factory setting. Power Supply: DC5V 1000mA with Micro-USB Analog audio interface: 3.5mm Earphone audio output Operation Steps: 1. Firstly, 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 App store. For Android user, can search "Audiocast"in any Apk market). 3. Please ensure your mobile phone has connected to the 2.4GHz network at home, 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. At the same time, box will remind "Searching for WiFi connection"by voice, after 10-15 seconds, we will finish set-up for Audiocast streamer. Colour: black Material: plastic Size: 5.5×5.5×1.7cm Package Contents: 4 x Airplay Receiver 4 x 3.5mm audio cable 4 x USB cable