SIIG JU-CB0811-S1 65.6 ft. / 20m Black USB 3.0 Active Repeater Cable w/ Power adapter Type: USB 3.0 Connector Number: 2 Connector Detail: Connectors A: 9-pin, Type A, Male Connectors B: 9-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: 3.31 lbs (1.5 kg) Max daisy chain distance: 40m (2 cables) Certifications/ Standards: FCC, CE, RoHS Power adapter: Input: 100-240VAC, 50/60Hz, 0.5A Output: 5V, 2.0A Dimensions: 2.5 (W) x 2.65 (H) x 1.10 (D) Power cable length: 5 ft. Requirements: Desktop or notebook computer with an available USB port Windows 7 (32-/64-bit) ) / Vista (32-/64-bit) / XP (32-/64-bit)