Small jumping spider (I believe) gender?

[Elenaa]

I am a begginer. I want to get a brachypelma emilia soon, but as for now I found a small jumping spider and decided to keep it. Tomorrow I will go and get it a new container so it can run and jump arround and be healthy. I kow its basic needs (food, water, etc). But is there any way to know its gender? Do I have to wait until it changes its exoskeleton?

 

[basin79]

Adult male. Best letting him go so he can impress the ladies.

 

[Elenaa]

Adult male. Best letting him go so he can impress the ladies.

Awe, I really hoped it was gonna be a female. But if it's better to let go then alright Thank you^^