?Specifications Input AC: 100-240V world use ?About BRST The Amazon leading Laptop Charger Brand. Focus on laptop charger design and sales, committed to providing professional products and services. ?BRST Laptop Charger / Cord / Cable All Power Adapters&Cables comply with top industry standards and include numerous safety mechanisms, including protection against short-circuiting, overvoltage, overcurrent, and internal overheating. All of our products are put through rigorous quality control procedures to ensure safe, reliable operation. ?BRST ChargeSmart Technology Power adapter&cord made of high-temperature-resistant materials, safe and intelligent chip technology. It can charge quickly and stably at any time. ?BRST Global Customer Care+ Customer needs are what we care about, we back them all with 36-month customer support and provide friendly, easy-to-reach technical support.