4 in 1 OTG Adapter Micro USB to USB A TF SD Card Reader Uses : - Copy SD / MicroSD / T-flash cards to / from Android phone micro USB port - Copy SD / MicroSD / T-flash cards to / from PC laptop USB port - OTG Function - No external power required, plug and play - Directly edit card content - Copy files and photos from phone to card to PC and back - Works with all Windows versions, plug and play |