It can programmable the message by bluetooth.
Just connect the bluetooth by your cellphone.
Item include: 1pc led fan + 1pc USB cable
This led flashing bluetooth message mini fan can edit texts by mobile phone;
This led flashing bluetooth message mini fan no operating system limit, Android, and IOS both available.
It is very easy and convenient to use,you can edit the messages anytime.
Material: ABS + PVC
Unit weight: 107g;
Unit size: 8×10×16CM
Color Option: Red, blue, green
Battery: AAA battery not including or USB cable power