does it have usb?
No. There is only a micro usb and it is for maintenance purporses only.
how do i type on apple tv? i don't have an iphone or ipad, or touch,
Then you need to use the included remote to select the letters.
You can also use a bluetooth keyboard, such one that comes with an iMac. Any kind will do.
Note this thread was from a year ago, that feature was only made available recently, and the OP is probably long gone.
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