The USB2AAEXT20M 20m Active USB 2.0 Extension Cable offers one USB-A male connector and one USB-A female connector, and provides an active extension of USB 2.0 devices of up to 20-meters (66-feet). An all-in-one cable for overcoming distance restrictions as well as power source limitations, the active USB 2.0 extension cable incorporates bus-powered active circuitry to ensure performance beyond the length limits of standard USB cables. Plus you can daisy chain 2 cables for a total USB extension of up to 40-meters. If necessary, the USB device can be powered from a wall outlet using the Universal AC power adapter (provided with the cable). FeaturesUSB bus-poweredUniversal external power source also includedBlue LED indicator x1 for Extension Cable and USB port connection status monitoringFully shielded for error-free connectionsPlug-and-play, no driver requiredCompatible with PC Windows 8/7/Vista/XP and Mac computer systems20m USB 2.0 Extension Active Cable Male to FemaleIncludes:1 - 20 m USB 2.0 Active Extension Cable - M/FSpecificationsCable Jacket Type: PVC - Polyvinyl ChlorideConnector Plating: NickelConnector A: 1 - USB A (4 pin) MaleConnector B: 1 - USB A (4 pin) FemaleCenter Tip Polarity: PositiveInput Current: 0.35 AInput Voltage: 110V-240V ACOutput Current: 1AOutput Voltage: 5 DCPlug Type: HPower Consumption (In Watts): 5Power Source: AC Adapter IncludedCable Length: 65.6 ft. (20 m)Color: BlackLength: 65.6 ft. (20 m)Weight: 2.19 lbs- SKU: AS158837