• This is a hub converting to 3 x USB 3.0 ports + 2 x card reader slots for SD & TF card
• The 3 USB ports can connect USB flash drive, mouse, keyboard, mobile hard disk, etc
• It provides fast transmission speed up to 5Gbps 
• The premium aluminum alloy shell is more wear-resistant, anti-oxidation, and has a longer service life
• Built in 2 card reader slots, you can easily read the files on the memory card
• USB connector supports connection to various laptops, tablets, smartphones and other devices
• Compact size, easy to carry and use, improve working efficiency

Specification:

• Material: Aluminum alloy
• Ports: 3*USB 3.0, 2*card reader slot (for SD&TF)
• Size: 10.5*3*1.1cm
• Cable length: 13cm
• Operating temperature: 0℃~50℃
• Storage temperature: -20℃~60℃
• Compatible systems: Windows XP/7/8/10, for Mac OS 10.2.8 and above, for Linux