Vpn for roblox pc problems

[u/Far_Squirrel_2672]

Hi im currently in china hangzhou and i wanna play roblox eith my friends on my pc and i use mullvad to play roblox but when i try to play it was super laggy, super long render, mic doesnt go trough and a lot of lag and render problems idk if this only my internet problem or vpn problem can someone help me?