Please check the accurate interface before purchasing the product to avoid unnecessary disputes. Thank you for your cooperation. Product detail Product Name: 75W 19.5V 3.9A 6.5*4.4mm Laptop AC Power Supply Adapter Apply to Sony VGP-AC19V33 V37 VGP-AC19V27 VGN-NR430E SR290J NotebooK Input: 100V~240V, 50~60Hz, 1.6A Output: 19.5V 3.9A Interface: 6.5*4.4mm Size:12.7*5.1*3.1cm (L x W x H) Color: Black Material for PCB & Housing: ABS +PC+ Fireproofing material DC Cable length:1.5m Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if u are satisfied with our items and services. If u have any problems with our items or services, please feel free to contact us first before u leave negative feedback. We will do our best to solve any problems and provide u with customer services.