1. Spooky2 Cold Laser Wrist has 5 x 5mW 650nm lasers and Spooky2 Cold Laser Twin has 2 x 7mW 650nm lasers. MiraMate Joint Aid has 12 x 5mW 650nm lasers and 3 x 150mW 808nm lasers. It is more powerful, and can target deeper tissues. MiraMate Joint Aid has 2 working modes, 3 levels of power intensity, and adjustable time settings for various treatment requirements.
2. Spooky2 Cold Laser needs to be connected to a Spooky2 Generator. You have to be near a generator and computer during treatment. Conveniently, MiraMate Joint Aid has no troublesome wires. The internal batteries are rechargeable, and last 4 hours per charge. It is fully portable, so you can use the device wherever you need it.