We offer 24 hours customer service, lifetime maintenance and return policy/service in case of any product issue or other issues while using this express charger. ?Wide Compatibililty: ?Supports multiple fast charging protocols(PD3.0/QC3.0/PPS/AFC/Apple 2.4), From mobile phones to Laptop, 45W ouput is compatible with Galaxy S22 Ultra / Galaxy S22 Plus / Galaxy S22 / Galaxy S21 Ultra / Galaxy S21 Plus / Galaxy S21 / S20 / Note 20/ Note 10 / Pixel 6 Pro / Pixel 6 / Pixel 5 / Pixel 4xl / iPad Pro / iPad Air / Macbook Air and more USB C devices. (For iPhone fast charging, separate USB C to Lightning Cable is required). ?Latest GaN Technology?: The GaN technology not only reduces the size and weight of the charger but also generates less heat, reduces power consumption effectively, and improves charging efficiency greatly, making charging safer and more convenient. ?Dual port fast charging?:The 45w usb c wall charger charges 2 devices at high speed simultaneously with a 30W USB-C Port and a 12W USB-A port. ?High-Speed Charging?: When the 45w super fast charger is used as a single port(USB-C or USB-A), the maximum output power is 45W. The 45W usb c charger charge the latest Samsung phones at full speed with Samsung Super Fast Charging 2.0 (Super fast charge for Samsung Galaxy S22+ from 0% to 50% in just 30 min).Charge a 2022 MacBook Air at full speed.Charge an iPhone 14 up to 4X faster than with an Apple 5W charger. ?Ultra-Slim and foldable plug design?The 45w flat usb wall charger is easy to carry,easy to fit in your pocket or backpack, convenient for travel. In addition, the flat wall charger can be on any wall socket on the back of sofa, bed and other furniture, not taking up space.