This 3-foot USB (Universal Serial Bus)-A to Micro-B Y-Cable provides 2 USB (Universal Serial Bus)-A Male connectors & 1 USB (Universal Serial Bus) Micro-B Male connector, providing the ideal solution for supporting the additional power required by some micro USB (Universal Serial Bus) external hard drives connected to the standard USB (Universal Serial Bus) ports provided by most computers.\n\n Especially valuable in situations where a single USB (Universal Serial Bus) 2.0 port may not offer sufficient power to external hard drives, the USB (Universal Serial Bus)-A to Micro-B Y-cable can be connected to 2 ports on 1 PC to increase the power output to the external device.\n\n Aside from the additional power provided, this 3-foot cable also offers pure digital data transmission for high speed file transfers.\n\n The USB (Universal Serial Bus)-A to USB (Universal Serial Bus) Micro-B Y-Cable is backed by Star Tech.com's Lifetime Warranty.\n\n The Star Tech.com Advantage\n- Provides both power & data connections between a host computer (Desktop, laptop, netbook) & external USB (Universal Serial Bus) storage\n- Reduces clutter & frees up space\n- Backed by Star Tech.com's lifetime warranty\n- Eliminates the need for a power adapter Feature Feature Value Cable length 0.3 m USB version 2.0 Connector 1 Micro-USB BConnector 22 x USB (Universal Serial Bus) AConnector 1 gender Male Connector 2 gender Male Connector 1 form factor Straight Connector 2 form factor Straight Product colour Black Connector gender Male connector / Male connector AWG wire size 28/24 Cable jacket material Polyvinyl chloride (PVC) Maximum data transfer rate 480 Mbit/s Ro HS compliance Y Quantity per pack 1 pc (s) Package width 17.5 mm Package depth 125 mm Package height 213 mm