Jun 7, 2017
There are many USB longer after-market cables. I have even seen a few retrackable cables.
Is there any reason not use an after-market cable?
You wrote: "Is there any reason not to use an after market cable?"
Go ahead and use other cables.
I use longer cables all the time. I've got lots of devices that use the same type of cable. I use the cables and chargers interchangeably for all the devices.
May 21, 2017
Thanks for your expression of concern.
The Bose instructions for charging don't place any constraints on the cable or charger to be used except this: