Location (optional): fills your People, Places and Events feeds. Without it, those feeds stay empty and everything else works as normal.
Bluetooth (optional): helps Zeeën connect you faster with members in the same place.
Notifications (optional): tells you when someone waves back, messages you or a perk is ready.
Camera and photos: for your profile photo.
Microphone: the age check may use it.
Tracking (iPhone): for ads and measuring them. You can say no.
You can change any of these at any time in your phone's settings.