Your Samsung Galaxy Tab does not accept the normal sized USB. You therefore need one of the Convertors which Plug Directly into the Charging Port on your Tablet and allow a Normal Male USB to be plugged in. Use this for MANY things including plugging a Keyboard in. We sell 7" and 10" Keyboard Cases and we also sell Wireless Keyboard and Mouse Boxed Set. Click here to see them - https://stores.ebay.co.uk/Tablet-Chargers-and-Cases-Shop/_i.html?_nkw=galaxy+keyboardsubmit=Search_sid=40297490 If you Pay Before 2pm (Mon-Fri) then We Will Post Your Item on the Same Day 1st Class, aiming for Next Day Delivery in the UK. We always provide a Telephone Number for your to Speak to us whenever you need to - (phone number below) Powered by eBay Blackthorne 04.11.023.