HX Mini Mercenary Stainless Steel Fixed Blade Knife|Hunting Knife with Sheath|Tactical Knife|High Hardness|Razor Sharp Blade|Designed for Outdoor Survival, Camping and Jungle Adventure

Can you tell me how and with what can you sharpen this type of knife?

The size of this Item is very small the handle is too short for my head, does have a very good grip however In the case is nonreversible made for a right handed person only. Good weight and nicely made.