The ConnectAir transmitter is about the size of a charging case for wireless earbuds. I’ve never been comfortable logging into streaming services on a hotel or Airbnb TV. My alternative for watching our favorite shows on a big screen is traveling with a 10-foot HDMI cable and a USB-C-to-HDMI adapter for directly connecting our mobile devices to an unfamiliar TV. Belkin’s wireless HDMI adapter will let me leave that cumbersome mess at home.  Wireless video streaming is already baked into Apple and Android devices through AirPlay and Google Cast, but using those features away from home requires access to a compatible TV or streaming box and a reliable Wi-Fi network. If all I used a shared TV for while traveling was watching our favorite shows, a compact HDMI dongle from Roku or Amazon would be the easiest solution. But my family likes to browse the day’s photos on a big screen, collectively plan our next adventure, and even play a few games. For our needs, the ConnectAir is a welcome u