Bonjour Elite Computer. Nous nous spécialisons dans la vente de portables neufs et d'occasion de haute qualité pour répondre à tous vos besoins informatiques. 1. Adopts the most advanced highly integrated semiconductor material – GaN chip for stable charging with less heat 2. 100W output, provides fast charging for various laptops, tablets, phones 3. 4-port design, fast charge 4 devices simultaneously 4. Supports PD3.0, PPS, QC3.0, Samsung AFC, and Huawei FCP/SCP fast charging protocols 5. CE/UKCA/FCC/RoHS certifications passed, guaranteed safety