1. No PHONE CASE when charging, especial for metal or magnetic case, which will block wireless charging.
2. NO FORGEIN OBJECTS（like metal matter, magnetic matter） between phone and wireless charger, otherwise, phone will stop charging and light will flash by blue and green alternately.
3. Wireless charge is definitely slower than charge with power cable while Seneo fast wireless charger is 1.4 times faster than STANDARD wireless charger. Please do not connect to low voltage device, like PC USB port, which charges phone with slow speed.
4. Please set down the phone right on the center pot for better connection; For iPhone 8 Plus, Galaxy S8 Plus, S6 Edge Plus, Droid Turbo 2 and other 5.5 inches(or bigger)screen smartphones; Please put your phone horizontally for better charging effect.