An auxiliary input allows you to play other audio sources by connecting them through a simple audio connection like a 3.5mm jack, i.e for MP3 or portable DVD/CD player.
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
The device can connect to Wi-Fi.
With more USB ports, you are able to connect more devices.
With a standard mini jack socket, you can use the device with most headphones.
Multipoint allows you to link to more Bluetooth devices and switch between them. For example you can easily switch calls from one device to another without having to manually disconnect and reconnect.
AirPlay allows wireless connection of Apple devices with external screens or speakers. You may stream computer screen, video and music from iOS devices, play games like on consoles or present your slideshows easily on your TV.
All DLNA-certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.