The Gemm heating and cooling device is the perfect, portable system to travel with you anywhere you go! Don’t let it’s compact size fool you! It can reach temperatures down to 50 degrees F or up to 108 degrees F. Equipped with a Li-ion battery, the Gemm lasts up 7 hours on a single charge!
Although it is tiny, it packs a punch to keep you at the ultimate level of comfort during changing seasons. The Gemm heating and cooling device can be worn under any attire and has built-in stealth mode to help be discrete. In stealth mode, you can dim the lights so no one will even notice you are wearing it!