1. Uses the GaN chip, the most cutting-edge highly integrated semiconductor material, for steady charging with reduced heat 2. Offers full-speed charging for phones, tablets, and laptops of different brands and supports the most recent PD3.1 charging protocol. 3. Use a single charger to charge four devices at once. 4. Supports Huawei FCP/SCP, Samsung AFC, PD3.1, PPS, and QC3.0 fast charging protocols. 5. Passed CE, UKCA, FCC, and RoHS certifications, ensuring safety