Nakamichi NQ611GB is a digital media receiver with Bluetooth connectivity, USB and auxiliary input, and a range of audio adjustment options. With its Bluetooth capabilities, you can wirelessly stream audio from your mobile device and even make and receive calls hands-free. The USB port allows you to connect a USB drive and play your favorite music files directly from it. You can also connect other audio sources, such as an MP3 player or a CD player, using the auxiliary input.