Rather than using special cameras that sense motion and depth, startup Thalmic Labs' Myo armband detects a wearer's movements and translates them into computer controls. After slipping the Myo armband on your forearm, its sensors begin reading electrical activity in your muscles.

How much does the Myo armband cost?

Meanwhile, Myo can be purchased online for US$199.

Is the Myo armband real?

Thalmic Lab's Myo gesture control armband is a wearable device which reads your muscle movements to control a variety of devices and applications. The $199 armband, compatible with Windows, Mac and mobile devices, touts itself as a way to "wirelessly control technology with gestures and motion."