✓?Smart Power-Off Delay?: The arms of the car phone holder charger can auto open for 2-3 times to release the phone when power off. Super convenient, pick up and go. Please note that it can only compatible with thick case=4mm. ✓?Easy One-Hand Use?: When power on, the car phone holder mount wireless charging will auto lock your phone, and one click, it will auto open. Ball-to-socket design, you can pivot it to any comfortable angle. ✓?Anti-Shake Vent Clip?: 2023 upgraded air vent clip, it has more compatibility, perfect for 99% air vent vertically and horizontally. Anti-shake than ever with the triangular fixation, no more wiggle loose or phone shaking out over rough roads or railroad tracks. ✓?Securely Fix Your Phone?: Both two arms are padded with premium soft rubbers, which can lock your phone in from shaking out when you make high-speed turns. The ball-joint slot of this wireless car charger mount is also rubber-padded, so it isn’t easy to wiggle down the angle due to the phone's weight. ✓?15W Efficient Fast Wireless Charger?: JOYROOM wireless car charger with the upgraded smart chip and safe charging for your Qi-enabled device at the fastest speed. It supports 15W Max Charging Speed, Upgrade with two-sided heat dissipation, it can effectively protect your phone’s charging system and prevents unsustainable charging. Note: QC 3.0 car charger adapter is required for fast charging (Not Included).