Mobile phone wireless charging fast charging version $ 6.48 Material: Aluminum alloy + ABS material Wireless charging standard: Qi Input interface: Micro USB Input: 9V/2A; 5V/2A Output: 9V/1.2A; 5V/1A Charging power: 10W/ 7.5W/ 5W Working frequency: 110-205KHz Charging efficiency: 75% Product size: 98mm x 6.5mm