1. The black ones are just stickers! ! ! It is not magnetic, please know, thank you

2. Magnet adsorption force, the thickness of the phone case cannot exceed 0.7mm

3. Silicone mobile phone case, glass mobile phone case, liquid mobile phone case, the thickness is more than 0.7mm, the adsorption force will be very weak

4. Both sides of the magnet are glued. Do not tear off the blue protective film. You can change the phone case for testing and use at will

5. The wireless charging sensor position is generally in the middle of the phone, and you can use a ruler to measure it before attaching it.