Features: USB2.0 female plug. Redness wire: positive; Black wire: negative; White wire: data negative; Green wire: data positive. Crafted from plastic, our USB 4 wire female head cable ensures efficient data transmission. Enjoy stable connect for your electronic devices. Charging Function for DC5V USB devices, such as development board, small fan, mobile phones, etc. (Please note that this cable cannot be adapt to fast charging plug adapters); Data Transfer Function - for mobile phone data transfer. Use our USB 4 wire female head cable in different occasion, from home offices to gamings setups. Our conductors materials is coppers wire, which have lower resistance, purer current and fast charging. Specifications: Material:ABS Color:White,Black Length:Approx.30cm/11.81'',100cm/39.37'',200cm/78.74'' Package Includes: 1x USB 4 Wire Pigtail Cable note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.