For Galaxy Tab 10.1/8.9/p7500/p7510 30pin to Female USB Adapter Dongle Tested and works perfectly with Samsung Galaxy Tab 10.1 and 8.9. Allow you to connect to most USB Flash Drive, Mouse, Keyboard and some digital cameras etc. Cable Quality: -The cable is fully shielded to avoid interference and increase stability. Compatible With : Samsung Galaxy Tab 10.1/8.9 (aka P7500, P7510, P7300, P7310) This USB otg cable is a replacement for the expensive Original Samsung USB Adapter / Card Reader.