Installation Steps:

1.Choose car air condition vent holder, unscrew the fastening ring counterclockwise, remove the holder base, setup standard air condition vent holder, clockwise rotating the fastening ring tightly, choose the space of fixed claw to rotate tightly according to blade size of air condition.

2.Adjust the right angle to place mobile phone first, then clockwise rotating the fastening ring tightly, installation complete.

About The Phone Case:

Suitable for thin phone case within 3mm, not fits for metal / bulky phone case,or thicker than 3mm phone case., Besides, the magnetic plate should centrally placed.

Compatible Phones:

Galaxy Note 8, Galaxy S7/S7 Edge, Galaxy S6/S6 Edge,Galaxy S8,Galaxy S8 Plus(only support standard charging speed) iPhone X iPhone 8/8 Plus
Nexus 4/Nexus 5/Nexus 6
Nokia 9/Nokia Lumia 920/1020/928/Lumia 950xl /950
HTC 8X (not UK version) / HTC Droid DNA / Rzound

Note:
Models as belows needed extra wireless receiver
LG Optimus Vu2/LG G2/G3/G4
Galaxy S5/S4/S3/Galaxy Note 4/3(not Verizon version)/2
Blackberry Z30 Verizon, Nokia925/820
iPhone 7/7plus,iPhone 6/6 plus,iPhone 5/5s
HTC one X

Problem-Shooting:

Q:The phone was disconnected and reconnected while driving.
A:1.Be sure your car charger with 1A or 1.5A may appear charging pause,you need to use more than 2A car charging head for charging.
2.Be sure your phone case is NOT thicker than 3mm (0.12 inch).
3.Be sure your phone aligns with bottom of the charger.

Q: Does it support fast charging?
A: Only Samsung series support fast charging, other device is standard charging, but you can use a QC 3.0 car charger to charge fast (search asin:B07CYQK4D4).

Q: It does not charge my phone.
A: 1. Try to wireless charge your phone without phone case.
2. Remove metal attachment and credit cards.