Wahl Color Pro Cordless Rechargeable Hair Clipper & Trimmer – Easy Color-Coded Guide Combs - for Men, Women, & Children – Model 9649P

Ok, get a trimmer and pick a guard. Personally, I do a #3 for hair and beard. It takes maybe 10 minutes. I have one of these: https://www.amazon.com/Wahl-Clipper-Rechargeable-Professionals-9649/dp/B01N0993NM

Check out the Wahl Color Pro Cordless Rechargeable Hair Clipper & Trimmer – Easy Color-Coded Guide Combs - for Men, Women, & Children – Model 9649P. There are other models, but that one holds the larger attachments. It costs under $50 and you can purchase clippers up to 3", if you like.