The pocket powerbanks to have fast charge for the device.
More things powered by USBC 3/3.1
Choice of USBC 3/3.1 leads, esp a short lead (4inches)
A portable speaker to be more versatile.... Dab radio, a powerbank, solar charger, light effects n single cob for torch (out partying late and need to get home/back to tent ) and obvs Bluetooth/aux stereo speaker (dont want to carry 2 speakers)
Now that would be heaven.... I also want to be the beta tester or final product tester!