What further features and functions might I find on a backpack leaf blower?

•  Ergonomic handles and design 

•  A handle mounted joystick control for accuracy

•  A larger capacity fuel tank for longer working

•  Padded frame and straps for comfort

•  A fuel level indicator/see through tank for easy fuel level checking

•  Innovative sound muffling system

•  Low-vibration system

•  ‘Cruise control’ enabling maintenance of specific speed

•  A zip start or other easier start systems

•  A quick release harness system 

•  A protective frame built around engine

•  Lower emissions

•  Extended nozzle for ease of use