First of all, your phone must support OTG function to use this product
<br />3 in 1 card reader for mobile phone with OTG function (for Samsung, HTC, etc.) 
<br />Support Android 2.0 or above OTG function (Support almost all the Micro USB port smart phone) 
<br />Support SD/TF card USB drive 
<br />Transfer files to OTG mobile phone 
<br />Support external USB mouse, keyboard<p> <b><b><img src="https://contestimg.wish.com/api/webimage/55b9748d0a417e43f6c684fa-large.jpg"><img src="https://contestimg.wish.com/api/webimage/55b9748d0a417e43f6c684fa-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/55b9748d0a417e43f6c684fa-4-large.jpg></b></b></p>