1. Material: PC+ABS, electronic components2. Interface: Micro USB3. Input voltage: 5V/2A, 9V/1.67A4. Output power: 10W/7.5W/5W5. Charging frequency: 100K-205KHZ6. Transmission distance: less than or equal to 10mm7. Conversion rate: 80 percent8. Three charging methods9. Pure copper combined version independent large coil, faster charging speed, 360 charging induction without blind spots, low temperature without hot10. With overcharge protection, overcurrent protection, overvoltage protection, overpower protection, temperature protection, FOD foreign body detection, overdischarge protection11. Built-in smart chip, sensitive induction coil temperature, flameproof and explosion-proof12. Dimensions: 12 x 8 x 10 cm13. Weight: about 200g

http://olla.gr/2pcs-a9199-10w-3-in-1-vertical-led-crystal-wireless-charger-blue/