1. Input: 100-240V 50/60 Hz (Universal); Output: 15V-2.58A 44W; USB port 5V-1A 5W. It works with surface pro 15V-2.58A 44W and 12V-2.58A 36W. | 2. Compatible Models: Surface Book 1 & 2, Surface Laptop ,Surface Pro 6, Surface Pro 5, Surface Pro 4 Tablet, Surface Pro 3 Tablet. | 3. With additional USB 2.0 charging port of 5V / 1A. You can charge another device such as a phone at the same time. | 4. Built-in IC chip technology provides overload / short circuit protection / overload protection / heat protection. We test each charger to ensure a tight, strong magnetic connection. | 5. Warranty: 12-month limited warranty , 30-day money back guarantee. Contact us and we will get back to you within 12 hours! Our goal is to provide you with a safe and reliable surface adapter.

① Input: 100-240V 50/60 Hz; Output: 15V-4A 60W; USB port 5V-1.5A 7.5W; It Compatible with 15V-4A 65W, 15V-2.58A 44W, 15V-1.6A 24W, 12V-2.58A 36W | ②Compatible with Microsoft Surface Book 1/2, Surface Laptop 1/2/3, Surface Pro 7 Pro 6 Pro 5 Pro 4 Pro 3 Pro X, Surface Go 1/2, Surface Pro(2017), New Surface Pro Compatible charging. | ③ With additional USB 2.0 charging port of 5V / 1.5A. You can charge another device such as a phone at the same time. | ④ With Premium ABS PC Fireproof Materials And Built-in IC Chip Technology Provide Overcharge Protection System/ Short-circuit/Overload Protection/Over-heat Protection. | ⑤What You Get: 1* Power Adapter 1* Power Cord