An iPod Touch will not be seen as an external drive as it is very different from a normal ipod.
You can use 3rd party apps to transfer files. This is not a recommendation just one from a google Click here
Hands-on: Acer Predator Triton 700 review
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
How to lose weight with an Apple Watch
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.