Features:  
High quality Micro-USB to for OTG (USB On-The-Go) / SD Memory Card Reader for Android Smartphone / Tablet.
4 Memory Card Slot: SD， TF，for MS & M2
USB 2.0 Port
Micro USB for OTG (USB On-The-Go) to USB 2.0 Adapter so you can connect USB Keyboard， USB Flash Drive， USB Mouse etc.
Slide switch to enable USB or card reader function.
Simple to use， just plug into micro-usb on your phone/Tablet， no installation require.
Support USB data hot swap sync to for PC or Smartphone / Tablet.
Smartphone Requirements: for Android 4.0 or above with for OTG function.(can\'t charging)

Specifications:
Net Weight:43g
Weight: 53g
Color:Black
Size:65*58*14mm
Compatible with:
for Samsung Galaxy Tab 3 10.1
for Samsung Galaxy Tab 3 8.0
for Samsung Galaxy S3
for Samsung Galaxy S4
for Samsung Galaxy Note 2                    
for Samsung Galaxy Note 8.0

Package Includes:
1 x Micro-USB to for OTG / SD Memory Card Reader.