Please watch an unboxing of  the lightstick your looking for to know the
Contents
Apps needed
 
IMPORTANT 
if you pick half amount to order please choose "pick at shop' delivery for the first installment.
if youd like it delivered, youll pick the delivery mode after it arrives in the second installment.
if your paying full also choose 'pick at shop'. delivery mode will be choosen after it arrives
 
Disclaimer
For unofficial lightstick
It looks VERY similar and has similar contents to the official one
The lightstick May connect to the Bluetooth app just like the  official one 
 
However it will not work during a concert,  and any QR code used to verify original lightsticks will also not work.