、Instructions for use Align the suction nozzle of the vacuum machine with the suction port and press the "start button". When the vacuum requirement is met^ press the "start button' again to stop 3、Product parameters Product size : 17.6*3.6,4.2cm Net weight : 170G Voltage : 3.7V Lithium battery capacity : 1200-1800mAh Charging interface : Mirco-USB Pumping rate : 23.
