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.
3.maximum Bluetooth range
The device can connect at a greater distance via Bluetooth or infrared to another device.
4.supports Bluetooth pairing using NFC
Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
With more USB ports, you are able to connect more devices.
6.has a socket for a 3.5 mm audio jack
With a standard mini jack socket, you can use the device with most headphones.