Feature: 1. 1. Support USB 2.0, compatible with USB 1.1, up to 480 Mbps. 2. 2. No driver, plug and play, support hot plug. 3. 3. Expandable into 3/6 independent USB interfaces. Specification: Description: This USB hub has 3/6(2 spec for option) USB interface, 2 in 1 SD and TF Card Reader, super mini size which is portable and convenient. it can directly connected to the computer and can be connected to an external power supply to meet the requirements of high-power equipment, simple and easy to use. Features 1. Support USB 2.0, compatible with USB 1.1, up to 480 Mbps. 2. No driver, plug and play, support hot plug. 3. Expandable into 3/6 independent USB interfaces. 4. Adopt high-speed chip, read high-speed and high-capacity memory card. USB version: 2.0. 5. You can quickly browse and edit files directly on flash drive. 6. Support System: Windows 7/8/10/2000/ME/XP/Vista and Mac OS9.1 or later,etc. Specification: Item Name: USB Hub Combo Date Transfer Rate: Up to 480mbps Material: ABS Shell Power: 5V / 500MA USB Type: USB 2.0 USB Ports: 3 / 6 Ports Card Reader: For SD/TF Card` Item size: 3 Port(L*W*H) 8*2*2cm/3*0.8*0.8in Cable length: 15cm/6in 6 Port(L*W*H) 12*2*2cm/4.7*0.8*0.8in Cable length: 90cm/35in Item wight: 31.4g (3 ports) / 57.7g (6 ports) Kindly NOTE: · Please note: This hub can only read a TF card or a SD card at one time. · For a stable connection, the devices connected to the Hub must not exceed a combined current of 5V / 500mAh. · This HUB is not a designed to serve as a charger, and will not meet the charge requirements for mobile phone, iPad tablet and other devices. Package List 1 * USB 2.0 HUB With SD/TF Card Reader Package List: 1 * USB 2.0 HUB With SD/TF Card Reader