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People often fall asleep unconsciously when reading in bed and forget to turn off the lights. Sleep with lights on will not only waste lots of energy but also do harm to your health. Magic Bottle is a voice-activated lamp which is designed to solve these problems.It has a voice-activated element inside it.Turn it on when reading and the sound of turning pages or writing will keep it on.If the loudness of the sound in your bedroom falls below 15 dB,and lasts for 3 minutes,the lamp will turn off automatically. When the loudness is beyond 50 dB,the lamp will also turn off automatically.So don’t worry that your snore will keep the lights on!