SIIG JU-CB0311-S1 49 ft. / 15m Black USB 2.0 Active Repeater Cable Type: USB 2.0 Connector Type: USB A to USB A Type: Others Connector Number: 2 Connector Detail: Connectors A: 4-pin, Type A, Male Connectors B: 4-pin, Type A, Female Terminal Gender: M-F Specifications: Operating temperature: 32 to 122 F (0 to 50 C) Storage temperature: -40 to 131 F (-40 to 55 C) Product weight: 1.72 lbs (780 g) Max daisy chain distance: 60m (4 cables) Certifications/ Standards: FCC, CE, RoHS Requirements: Desktop or notebook computer with an available USB port Windows 7 (32-/64-bit) ) / Vista (32-/64-bit) / XP (32-/64-bit) / 2000 SP4 Mac OS X v10.x