You're addicted to your mobile. If you forget you come back home for him, if you lose you feel empty and if you break you buy another without thinking about fixing it. Relax and forget the phone. Enjoy the conversation of your friends, pay attention in meetings, tomato beers without worrying about your mobile. Silence these and uses this as a warning call sheet. It is rounded and has recorded the drawing of a mobile. You can leave it on the table, or wear it on clothing as a pin. Bear in mind that the sheets only work with 1800/1900 MHZ GSM mobile. See your phone's specifications before purchasing chapas.Cuando receive a call sheet is illuminated with flashes of red or blue and, in response, the plate is put back to sleep. Use it in museums, meetings, noisy cafes or bars for a day of shopping ... No more deafening tunes. Choose a model: Red or Blue Note: the plates only work with 1800/1900 MHZ GSM mobile powered red LED lights Material: glass and plastic sheet's drawing is laser engraved on the glass to clip onto your clothes a safety pin, included Weight: 15 g / 0.03 lbs Diameter: 30 mm / 1.18 inches Features a built-in battery SR2