•Compact and lightweight design, transfer and download data anytime, anywhere •Reading and writing at the same time, stop constantly in and out. Start reading and writing on up to four cards at the same time, saving a lot of time •High-speed transmission, plug and play •Compatible with Windows 10/ 8.1/ 8/ 7/ Vista/ XP, for Mac OS, for Linux •Compatible with multiple devices, surface, for IdeaPad, for MacBook, for AirRetina, etc. Specification: •Brand: Rocketek •Model: RT-CR304 •Type: TF/ SD/ XD/ MS/ M2/ CF •Card slot interface: USB •Card slot: All in 1 •Installation: external •Compatible version: UB3.0/2.0/1.1/1.0 •Rated voltage: DC5V •Rated current: 900mA •Power consumption: 4.5W •Certification: CE (LVD&EMC), FCC, RoHS, etc. Package included: •1 x USB 3.0 Memory Card Reader Adapter •1 x English and Chinese User Manual •Other items not included