Hello there. Qi is a type of wireless power transferring system that can pass a charge up to 4 cm, and was developed by the Wireless Power Consortium. It's a specific type of frequency, if you will. In direct relation to your Galaxy S6 Edge, some models have been able to use this feature. Results may vary. I have provided a link to the original specifications as listed on Samsung.com for more information. https://www.samsung.com/us/mobile/mobile-accessories/phones/wireless-charger-duo--white-ep-n6100twegus/ ^Thomas