if your phone models do not support wireless charging,please buy the receiver to use together ! the sliver looks like sliver gray!
Compatible model: for Samsung Galaxy S10/S10Plus/S10E/S9/S9 Plus/S8/S8 Plus/Note 9/Note 8/Note 5/S6 Edge/S7/S7 Edge
For HUAWEI P30 Pro/Mate 20 Pro/Mate 20 RS/Mate10 RS
For iPhone X/XS/XS MAX/XR, iPhone8/8 plus
For Xiaomi mi 9 /Mix 2s/Mix 3
For LG G10/G2/G3