Electronics, Lighting, & GadgetsHRM, GPS, MP3, HID. Whether it's got an acronym or not, here's where you'll find discussions on all sorts of tools, toys and gadgets.
All support bluetooth and can also be used as a headset to a phone. Domio is brand new but the other two have been around for a while and I've used both of them. They all keep your hearing open to the ambient sound for situational awareness.