This USB 2.0 cable by DigitMX can be connected to an active USB port and enables an extension of 15mFeaturesConnector: USB 2.0 type A male USB 2.0 type A female For active USB devices Extension up to 2 x 15 m cables Gold-plated connector Power: up to max. 500 mA Cable length: ca. 15 mSpecifications Windows 2000/XP/Vista/7/8/8.1, Mac OS 9.0, Linux Kernel 2.6 PC or notebook with a free USB port..