Nitro II Fast Wireless Charger is Qi certified. It meets all industry standards. Compatible with all Qi-certified iPhone and Android devices. Nitro 2 transmits charging power directly through up to 5mm thick cases. Nitro II wireless charger is compatible with iPhone 11, 11 Pro, 11 Pro Max, XR, XS Max, XS, X, Samsung Galaxy S20, S20 Plus, S20 Ultra, Note 10, 9, 8, Galaxy S10, S10e, S10 Plus, S9, S9 Plus, S8, S8 Plus including other android & iOS phones It features a non slip surface to hold the smartphone during charging. It has an LED charging indicator along with safety features like heat resistant technology to protect the device and the smartphone.