FREE Local HDTV Channels on your PC or Laptop or MyGica ATV 495 PRO HDR Box. MyGica A681 USB ATSC HDTV Stick is a Pen size digital USB TV Stick. You can watch and record ATSC live digital TV on PC or laptop. The sleek and compact design makes your trip easy and fun. You may enjoyMyGica A681 entertainment whenever you like and wherever you go!