Earldom Micro USB OTG Adapter & Card reader

Earldom Micro USB OTG Adapter Card Reader
Compatible with almost devices with micro USB and support OTG function.
USB2.0 female to micro USB male adapter OTG adapter for tablet and cellphone.
Support Hi-speed USB devices, USB mouse, USB keyboard and USB disk.
This product is suitable for OTG and charging at the same time.
Without data via PC, smartphone and memory card bidirectional transmission.
The maximum transmission speed is 480MB/S.
Plug and play, no external power supply.
Small form factor, easy to carry and use.