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product function description: 1,matching mode: long press red and blue light flash is pairing mode 2,voice switch between chinese and english: red and blue lights alternately flash press the two boot button 3,shutdown prompt: power off, 4,pairing status hint: paring 5,connection hints: you device is connect 6,disconnect hint: you device is disconnect,7, 8,key function: long press boot long press shutdown, click music pause play call answer hang up the phone double-click the next song