Meta Unveils Wristband for Controlling Computers With Hand Gestures When you write your name in the air, you can see the letters appear on your smartphone.

The app uses the wearable’s sensors, compass, and accelerometer to turn your hand into a mouse that can control devices through hand gestures.

Meta researchers are developing a wristband that lets people control a computer using hand gestures. This includes moving a cursor, opening apps, and sending messages by writing in the air as if ...