Need "Glasses" help ... Please.

Howdy ...

Just received a NEJE 20w (no I know it's only 5.5) portable laser. Trouble is I don't know which glasses to use. I had some red glasses. Didn't say wave length. Don't trust them. As I understand it, the NEJE 20 is a blue laser. Looks like I should be using Green. Saw on Amazon green laser glasses for 200nm through 2000nm at about $39. Does this sound correct ?

Waiting to use. Eyes are bad enough, don't need more damamge. Thank you in advance.

Bobby

this is the pair I got, I love them. ( LaserPair CO2 Laser Protection Glasses DIN CERTCO Certified,9000-11000nm Laser Safety Glasses Goggles ), off amazon. 39.99

I recently got the NEJE 20 watt unit. It came with green lense glasses. Website says laser unit is 450nm.