1. Safety assurance The product adopts a brand-new and management scheme with perfect protection functions such as overcharge, overdischarge, overcurrent, overvoltage, short circuit, and temperature protection.2. The working temperature of the power supply is low, and the service life is long, which meets the global use standard. Good insulation performance, 100% high-frequency transformer adopts vacuum soaking, sufficient power, good anti-interference performance, small DC ripple3. Dual-device charging compatible with Surface pro3/4/5/6/7 charging compatible with 5V smartphones and 5V electronic product charging4. Excellent material and meticulous workmanship plastic fireproof and environmentally friendly materials are used, and the workmanship is meticulous and the quality is highlightedOutput voltage: 15VInput voltage range: 110v-240vApplicable form of charger: direct chargingApplicable products: mobile phones, laptops, digital cameras, digital photo frames, tablet chargersApplicable brand: for SurfaceBookOutput current: 4AInput voltage: 100-240V-1.6A50-60HzCharging output: 15V-4A5V-1AIntelligent power: 65WOutput interface: Surface Connect magnetic suction interfaceDC cable length 1.8mApplicable models: Surface Book1/2, Pro5/6, Laptop, etc.Voltage: AC110VPlug Type: JP plug,it applies to JapanColour:blackMaterial:plasticPackage Contents:1 x charger1 x plugOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.