(1)401 grinder charging model, the main machine is very simple in appearance design, in line with the aesthetic of people in China and Europe, the back card is portable, easy to carry and small without occupying space.
(2) novel color, new colorful gradient
(3) Digital display of speed on display screen
(4) Visual power display
(5) grinding pen speed up to 40000 rpm
(6) Large capacity 2600mAh battery
(7)F/R forward and reverse one-key switching
(8) charging treasure function, with a key pause function
(9) Charging duration: 4 hours
(10) Continuous use duration: 12 hours
(11) There are also three classic colors available (gray/white/black/30 sets 1 box)