Please read this video link:

https://www.youtube.com/watch?v=GV38SG_64ME

Please contact support@neakasa.com with the information: 

①Order number,②Photo or Video to show the problem,③Nameplate

Yes, of course, the grooming blades are replaceable, if you need blades, click here to buy: https://neakasa.com/products/neakasa-p1-pro-accessories

Warm Tips: After the blade has been used for a period of time, you can use household cooking oil to moisturize the blade, effectively delaying the blade's dullness.

Hello, we have the filters to sell, it includes: Clipper blade x 1, HEPA x 2, Sponge filter x 2

Here is the link: https://neakasa.com/products/neakasa-p1-pro-accessories