The Healthy Wave 80x30” half queen 5 Therapy Far Infrared PEMF Mat harnesses all of the key technologies including PEMF Therapy & Infrared Heat Therapy with different types of crystals in one single mat. The mat is designed to fit atop the left side of your queen sized bed. Plus it also can be combined with a Right Side 80x30” mat to fully cover the queen sized bed if you want. This mat features optimal PEMF technology with selections of frequency range 1 to 30 Hz and up to 3000 mG dynamic field strength, 60 low level 660nm therapy red lights, 38 jade stones, 76 tourmaline stones and 24 lbs of amethyst crystal. Due to the PEMF being included in the mat it cannot be bent in any direction and can only be used on flat surfaces.