Wireless induction charger built into the car holder, mounted to the ventilation grille. Thanks to the special design, the device can be operated with one hand. The arms of the holder automatically clamp under the weight of the phone and adjust to its size. Frequency: 100-205KHZ. Input: 5V-9V / 1.5A. Output 5V/1A. USB cable included. The charger works with telephones equipped with the induction charging function.