About this item Product Specification: Input: AC 100-240V, 50-60Hz. Output: 19.5V 3.33A 65W (Also Compatible With 19.5V 2.31A 45W). Connector Size: 4.5 x 3.0mm Blue Tip. Compatible with Various Laptop Models: Works with multiple HP laptop models including Stream, EliteBook, Pavilion, and Envy series. Please refer to the detailed model list available for compatibility. Charging Adapter: Designed to provide efficient charging for laptops using 4.5 x 3.0mm smart blue tip chargers. Dimensions: 5 x 3 x 2 inches.