Competing against friends and strangers can be fun. But you are going to need someone to keep the score. The Ref has you covered. It is an app-enabled scorekeeper that lets you keep score when playing sports or engaging in friendly competitions. It comprises a wristband and a board. The board shows you the score and game time. You can keep track of points using the wristband. The companion app keeps track of wins, losses, and time. Sound effects for scoring are also available.
Ref measures 8” L x 4” W x 2” H. It is made using plastic and rubber. You can find out more about this product on Quirky.