Product information:
Motor upgrade: no ironing, low noise, longer life. I listen
Power supply upgrade: USB power supply (compatible with most mobile phone chargers and power banks)
Regulation and upgrading: the speed controller with chip makes the speed regulation more smooth and smooth.
Feel upgrade: smooth material, comfortable switch button, better experience.
Shell upgrade: new private model speed controller, curve design does not clip hands, optimized modeling does not crack mouth, better body feeling.

Shipping time: 15-25day