Plug cord made with the highest quality materials. Universal non-polarized 2-prong/Figure-8 power cable tested. Compatible models: Microsoft Surface Go, Surface Book, Surface Laptop, Surface Pro 1, 2, 3, 4, 5, 6, 7, X. HP ENVY Printer 100 D410, D410a, D410b, 110 D411, D411a, D411d, D411c, 120, 121, 4510, 4512, 4516, 4500, 4501, 4502, 4503, 4504, 4505, 4507, 4508, 4520, 4522, 4528, 4524, 4525, 4523, 4527, 5530, 5531, 5532, 5534, 5536, 5535, 5539, 5540, 5544, 5545, 5640, 5642, 5643, 5644, 5646, 5660, 5661. Echo Sub (1st gen), Echo Link Amp. Widely compatible: works with laptop chargers, LED LCD monitors, smart TVs, printers, scanners, game consoles, entertainment systems, music systems, soundbars, retro boomboxes, keyboards, digital pianos, charging stations, wireless backups, Wi-Fi base stations, and other devices. Please check the photo carefully. Made of pure copper with excellent thermal dissipation and very good conductivity. Ensures complete current transmission. Pure copper cables have higher manufacturing requirements. Features 2x0.75 sq mm pure copper wiring.