Sony DSXM551BT

Easily take calls and listen to your favorite tunes with Bluetooth technology. The receiver can simultaneously connect to compatible devices and choose between hands-free phone access, phonebook access or audio streaming.
Enjoy simplified Bluetooth connectivity with Near Field Communications (NFC) technology. Align compatible devices and touch NFC logos to activate Bluetooth, pair devices, and stream music. When done, align and touch the NFC logos to disconnect.
Connect, control and charge your compatible USB device while accessing your digital music files via the front USB input. You can also view metadata like song title and artist on the front display. The front USB port provides maximum output for charging your portable devices.
Multi-format playback lets you play your MP3, WMA or FLAC files from a compatible USB device.
The advanced sound engine combines adjustable EQ5 equalizer and selectable LPF crossover.