Atmotube PLUS (like Atmotube 1.0 and Atmotube 2.0) only weighs 1.4 ounces (40 grams), so it’s perfectly portable, even pocketable. It has carabiner mount to let you to clip it anywhere, on any bag or even a key ring.

 

Atmotube PRO weights 3.3 ounces (95 grams) and it is also quite portable.