Feature: Small and delicate. Easy to carry Plug and play. Fast and convenient. Extended jack, no need to take off the Phone cover when used. Compatible to Smartphone with Android system and various digital devices. OTG compatibility this is micro USB OTG interface, support micro USB interface, and the need to support OTG protocol make sure the phone support OTG function Specifications: Type: otg adapter Name: OTG adapter Adapter: Standard USB port Micro USB connector Adapter: standard USB port Micro USB connector Inspection: products have to undergo a high level 5 quality inspection Size:20mm*20mm*8mm Color:Black,White Package included: 1 x Micro USB To USB OTG Adapter Note:item and picture may be small differences in color