Wireless things with U

• universal remote

  Sends TV commands via IR/RF - no wires needed

• UAV

  UAV = drone; uses wireless radio control and GPS.

• UE Boom

  UE Boom is a wireless Bluetooth speaker brand.

• Ultrasound

  Medical imaging using high‑freq sound waves wirelessly.

• Uplink

  Radio link from ground to satellite or station.

• USB mouse

  Mouse connecting to PC via USB wireless receiver.

• unwired headphones

  Headphones using radio/Bluetooth, no wires.

The words in the list Wireless things with U come from players of the word game City, Country, River.