1. It has worked with every wireless charger on which it's been tested, but we cannot guarantee compatibility with all wireless chargers. 

 2. The position where a phone is placed for wireless charging varies, depending on phone models.

 3. It doesn’t work with magnetic sticky pads, because there’s no metal plate inside the stand.

 4. RFID is not applied to the phone stand, because RFID made of anti-magnetic material interferes with wireless charging, and will affect wireless charging performance.