Exo Shield
A quick-deploy shield attached to your Exo's arm.
Exo Overclock
Increased Footspeed
Exo Mute Device
Silence your footsteps.
Exo Stim
Temporary generate health beyond normal levels.
Exo Cloak
Visually conceal yourself for a short duration.
Exo Hover
Hover in place for a short duration.
Exo Ping
Show enemy exo movement and weapons fire in your HUD.
Exo Trophy System
Destroys up to two incoming enemy projectiles.
Other sources of information
http://www.callofduty.com/advancedwarfare
http://store.steampowered.com/agecheck/app/209650/
http://en.wikipedia.org/wiki/Call_of_Duty:_Advanced_Warfare
http://www.gamespot.com/call-of-duty-advanced-warfare/