Is it normal that when one plug of Cold Laser Twins lights up brighter than the other ?

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• How does the Spooky2 Cold Laser work?
• Can someone with pacemaker use cold laser plug to the ears and receive treatment?
• How can l clean Spooky2 Cold Laser Twins? Can I use Spooky2 Cold Laser through your clothing?
• Which one is more effective as a blood purifier: Spooky2 Cold Laser Wrist X or MicroGen?
• Can you use the cold laser on your neck?
• Can I run program "blood cleanser cancer" with cold laser wrist?
• Can I run both cold laser twin and wrist at the same time?
• Can you use cold laser with MW program?
• What are the upper frequency limits for using the cold laser?
• When l do 2 treatments at 30 mins for one issue via cold laser, does that mean I can’t do anymore that day for a different issue ?