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. Package Includes: 1x OTG HUB Cable note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.