2PCS QC3.0 Four Ports Fast Car Charger1. Using envmentally friendly plastic, the surface is treated with piano paint, and the expander is textured, and the appearance is simple2. The extender comes with a detachable back clip for fixing on the back of the car seat3. Strong compatibility, compatible with IOS, Android and Windows smartphones as well as tablets, speakers and other 5V USB devices4. Equipped with a 1.7-meter long power cord, which is convenient for people sitting in the back row to charge and use mobile phones at the same time5. Adapt to various charging envments, multiple protections (overvoltage protection, overcurrent protection, short circuit protection, high temperature resistance, overheating protection, power protection)6. Applicable models: cars, SUVs, and trucks7. Output voltage: 5 / 9 / 12V8. Output current: 8A9. Input voltage: 12-24V10. Material: PC fireproof plastic11. Output interface: dual USB + dual UBS port12. Working temperature: 50 degrees Celsius13. Dimensions: 79 x 16 x 50mm, 65 x 28 x 19mm14. Weight: about 200g