Dual Unit Design, To Play or Watch in Needed Direction: With stand and dual unit design, you can charge the phone in needed direction. When you need unlock Face ID or take a look at twitter, you could stand it, also you can put it other directions for watching movie and so on.20W stand wireless charger charges 50% battery for Mi 9 Pro in only 35 minutes Smart Compatible with Samsung, Apple Charging with a Protective Case: Can provide 10W wireless charging for devices like S10. Effcetive distance up to 4mm, quick charge even with a case. Double coil design, charging in both vertical and horizontal positions 4mm sensing distance, phones can be charged even with case I Intelligent FOD foreign body detection, multi-protection for safety