OnBeep Onyx is a tiny, wearable walkie-talkie for your phone

A hardware startup called OnBeep is doing its best Star Trek imitation with Onyx, a clip-on communicator that works over any distance. The Onyx is a palm-sized orb that clips onto a lapel, sleeve, or bag strap. It has a built-in speaker and a big button in the middle for activating the device’s microphone. When connected