qi mobile phone wireless charger smart dual-coil deskfast charging vertical stand

1. input current: usb 5v 2000ma
2. output current: usb 9v 1800ma
4. charging efficiency: 75
5. product size: 70*80*120mm
6. executive standard: qi wireless charging standard wireless charging features:
first: wireless charging has stronger protection for your mobile phone. the wireless charging has the function of automatically turning off when the battery is fully charged, which avoids unnecessary energy consumption and saves you from worrying about whether the phone is fully charged or not, so you can extend the battery life in disguise. second: wireless charging devices are much "smarter" than ordinary chargers. for different electronic products, the power interface can automatically correspond. when charging is required, the transmitter and the receiving chip will automatically start working at the same time, and when fully charged, both parties will automatically shut down..syi