JitterBug is a USB data and power noise filter. Dual discreet noise dissipation circuits reduce the noise of ringing that are common in both the data and power lines of USB ports. The Jitterbug will measurably reduce jitter and packet errors and improve dynamic contrast warmth and resolution. All computing devices be it a laptop or NAS drive inherently generate a significant amount of noise and parasitic resonances. Computers also contribute RFI and EMI pollution on to the signal paths. These easily find there way to your USB cables and into your audio system. JitterBugs dual-circuitry measurably reduces unwanted noise currents and parasitic resonances.  It also reduces jitter and packet errors (in some cases packet errors are completely eliminated).The Result is a clearer and more compelling sound.