TWIK-related potassium channels (TREK) belong to a subfamily of the two-pore domain potassium channels family with three members. TREK1. TREK2 and TWIK-related arachidonic acid-activated potassium channels. The two-pore domain potassium channels is the last big family of channels being discovered. https://www.bekindtopets.com/super-value-Keychron-M4-Wireless-4K-Mouse-flash-choice/