Acer W3-810P - Manual (Page 24)

24 - Micro USB
M
ICRO
USB
The USB (Universal Serial Bus) port is a high-speed serial bus which
allows you to connect USB peripherals without taking up system
resources.
The Micro USB port provides a compact port that is fully compatible with
USB 2.0 devices.
Note: A Micro USB to USB adapter is needed to connect to USB
devices that use a full-sized connector.
Note: A Micro USB to USB adapter is only included with certain
models.