Original article can be found here: www.cultofmac.com/176942/flying-iphones-check-out-these-a...
The setup was as follows:
All within one plain of height, slightly above the table (white bed linen), Flash to the left (70-80°, 1/16, 1 Meter away, Nissin DI866). Camera one meter in front of the charger. Background was black as it was 2 Meters behind the subject and the room was dark. Triggered by three Yongnuo wireless triggers.