Sep 11,2020 04:53:51 UTC –
[Elevator upgrade, feel more comfortable]: The body uses high-quality metal point spray technology, in line with the hand curve design, feel comfortable and hold steady
[Capacitor upgrade, use longer]: Built-in AB polymer lithium battery, USB charging
[Core upgrade]: The voltage is more stable, the ionization technology does not make people feel the presence of current, no bleeding.
[Gear upgrade]: Three gears are adjustable, smart and reliable
[Function upgrade]: thick needle + fine needle, comprehensive response