The Aurora A9 Pro uses LOP (Light orange peel) reflector to have a better focus and smoother beam. It is made of copper and will get very unique patinas from each to each. Another upgrade is about the battery. from 260mAh  to 330mAh. for a longer runtime.  

SPEC

• Optional LED. cool white 700 lumens  or Neutral white 90 CRI
• Constant current circuit to reduce PWM
• Copper housing crafted from CNC precision machine
• Reversible pocket clip makes it headlamp.
• Dimensions: 60.5mm x15.6mm 
  
• Weight: 43g
• 330mAh battery
• Run up to 35 hours
• Micro USB rechargeable. fully charged in 90mins