Feature: 1. There are multiple protection, such as input/output protection, circuit protection and overcharge protection for safe charging. 2. Adopt a silent stepping motor to lock the phone, providing stable locking force for the bracket, it will be safe for you to drive. 3. Our car wireless charger has automatic smart sensor, the one‑handed automatic opening and closing design makes charging your phone easier. 4. Just place your phone inside the holder and the arms close; Touch the quick release button on the upper backside of the charger, the arms automatically open, it's easy to use. 5. It is easy to install, just fix it with a bracket, connect the USB cable to the wireless charger, and insert the USB interface. Specification: Item Type: Wireless Car Charger Material: ABSInput Power: 9V/2A or 5V/3A Output Power: 15W / 10W /7.5W / 5W Wireless Charging Effective Distance: 3-6mm (Max)/0.1-0.2in Working Frequency: 110-205kHz Conversion Efficiency: Normal Charging ≥70%, Fast Charging ≥75% Applicable Charging Range: Mobile phones with wireless charging function / mobile phones without wireless charging function need to add a connector(The smart bracket uses a silent stepping motor to lock the phone, and the phone is automatically locked when placed, safe and convenient) How to Use: Fix it with a bracket, connect the USB cable to the wireless charger, and insert the USB interface.. Package List: 1 x Wireless Charging Stand1 x Suction Cup Mount1 x Air Outlet Bracket1 x USB Line1 x Manual Note: Please allow for errors due to manual measurement