1. 4 in 1 mobile stand with USB Hub,card reader,mobile charge and mobile stand 2. All-rounded combo mobile stand in silicon gel pad 3. Retractable cable installed for mobile phone charging 4. Complementary adaptors(optional) 5. Adaptors tray behind mobile stand 6. Dual LED light indicator 7. Comfortable viewing angle of 46°at your preferred for Multi-media fuction of your mobile without tired 8. For card reader fuction,Windows 98 and Mac OS 9 are supported by vendor driver.You may download relevant software from our website 9. Support SD,Mini SD,MMC,MMC4.0,MS,MS Pro,MS Duo,Micro SD(T-flash),etc 10.Under the same card category,T-flash card and SD card could not be read at one time 11. USB Hub V2.0 12. Card reader V2.0 13. Operating system:Windows,Mac 14. Operating Voltage/current:5V/0.5A 15. Mobile charge output voltage:5V/0.5A *Remark:different mobilephone models may not be charged successfully,for those mobilephones require high voltage e.g.higher than 5V should require power booster (not included) in order to charge the battery successfully.For detail please contact your distributor