DDJ Sb3

USB Bus Powered Yes
Compatible DJ Software (not included)

Unlocks Serato DJ Lite
Paid upgrade to Serato DJ Pro
What's in the box

DDJ-SB3
USB cable
Warranty (for some regions)
Operating Instructions (Quick Start Guide)

Specifications
Width 482.6 mm
Height 58.5 mm
Depth 272.4 mm
Weight 2.1 kg

Soundcard 24 bit/44.1 kHz
Frequency Range 20 - 20000 Hz
Signal-to-Noise Ratio 103 dB
Distortion < 0.005 % (USB)

Performance Control 

Channels 2
Deck Control 4
Trim knob Yes
Jog Wheel 128 mm durable aluminium jog wheel

Filter

High & Low Pass filter
FX Fade Yes
Pad Scratch Yes
Trans Yes
Hot Cues 4
Manual Loop Yes
Autoloop Yes

Terminals 

Inputs 1 MIC (1/4 inch Jack)
USB 1 USB B port
Outputs 1 MASTER (RCA)
1 HEADPHONE MONITOR (Mini-jack)