Input Voltage: 9V/3-4A Output C1: 5V3A Output A1: 5V3A Output A2: 5V3A C1+A1+A2 Total output: 5V3A Cell phone output: 5W-7.5W-10W-15W Material: ABS and polycarbonate. Product color: white. Light color: blue, red, green, purple, cyan, light green, light cyan, -color gradient. Transmission Distance: 2-6mm Charging efficiency: 75% Operating frequency: 100-205KHZ Product size: 6.9 x 3.3 x 1.3 inches. Compatibility: for ios series for any cell phone that supports wireless charging Precautions: 1. Please use 9V/3A and above adapter to avoid insufficient power supply when charging multiple devices at the same time. This product supports QA and PD protocols. 2. Click the light adjustment button to change the light color mode. There are 8 color modes together. 3.Place the phone in the center of the wireless charging induction area. 4. The charging distance is 2-6mm, please don't install protective case thicker than 2mm. 5. When charging wirelessly, there should be no metal or objects within 2.4 inches in diameter from the on the back of the phone. 6. Lower temperature, faster charging speed. The charging speed is faster in winter than in summer. Package content: 1 wireless charger 1 charging