Features: Micro USB for phone + 2 ports USB2.0 HUB + Micro USB power supply. Support USB2.0,compatible for USB1.1. Support high speed, full speed and low speed-device. No drive needed, plug and-play, support hot plug. Backflow prevention-design for the USB HUB to ensure PC-data security and normal boot. USB interface support USB devices such as USB flash disk, USB mouse, USB keyboard. Specifications: Material:PVC Length:Approx.20cm/7.87inch Color: Black Ports:3 Supports supply extra-power through micro USB port if-necessary. Only suitable for the devices which its micro-B USB connector enable USB2.0 hostor USB OTG function. Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x OTG HUB Cable