Hook instructions for use: 1. Turn the twist counterclockwise to open the hook. 2. Insert the air outlet, hook the hook to the blade. 3. Clockwise rotation of the twist to tighten the hook. Special Note: As the knob adjustment is very labor-saving, just fixed must stop rotating, remember to use excessive force, so as not to damage the air outlet blades. Installation instructions: 1. Screw the nut down first. 2. Snap the nut on the ball head upside down. 3. Insert the ball head into the slot. 4. Twist the nut to complete the installation.

?Good Helper for Navigation?: This inverted hook phone holder is your driving process, navigation, a good companion, because there are set to increase the circle, the circle above the clasp wider, to better prevent the phone off. Will not add to your navigation driving hindrance. When you encounter the phone is not charged, there is no need to plug and unplug the phone shift, reserved data cable charging port, direct operation without blocking. ?One-hand Operation?: Very convenient, can be operated with one hand, with adjustable clip arm, our car phone holder so that you can very easy to insert and remove your phone with one hand. One-handed pick up and release the car without distraction, slide the phone down the carabiner that automatically locks, a release that is stable whether talking, navigation, listening to music or charging, can provide you with safer driving. ?Ideal Viewing Angle?: Car phone holder with ball joint rotation function, can be rotated 360 ° arbitrary angle, with universal rotation ball, can be rotated to adjust the elasticity, free control of the perspective, one hand can be adjusted, whether you are in the call or set the navigation process, or when you want to switch to your favorite music, can provide you with the best viewing angle. ?Upgraded Vent Hook?: The use of new spiral hook, strong and solid, inverted hook triangle poly design, can easily cope with complex road conditions, even if the emergency brake, cornering, speed bumps, driving on rugged mountain roads can firmly lock the phone. The process of driving can also do a wild shake does not fall. Spiral retractable, adjustable without picking the fan blade. Hook retractable range between 0.59-1.4 inches. ?Never Slip & Broke?: Super strong hooks are friendly on bumpy roads. The metal embedded hooks can firmly hook the vents' blades. Even on bumpy roads, sharp turns, speed bumps, emergency brakes and other steep road conditions, it will not slip or fall off thus causing damage, shattering the phone screen, etc., protecting your travel safety.