When the phone rings, turn your finger ring into an earring

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When the phone rings, turn your finger ring into an earring - Core77: "Too cool to be true? The Orb Bluetooth headset folds neatly into a ring you can wear on your finger when it's not in use. A tiny FOLED (that's flexible organic light-emitting diode) display shows caller ID and calendar info. To activate the headset, you just twist it from a ring into an 'S' and stick it in your ear; it receives your audio via bone conduction."