Compatible devices-Laptop Connector type-Auxiliary Colour-3.5x1.35MM Male Brand-tunghey Type: Female to Male DC Power Adapter; Hole Diameter: 3.5mm; Pin Diameter: 1.35mm Contact part is made of copper material, good conductivity and durable, easy to use, long service life Convert the power supply with 5.5x2.1mm interface to 4.0x1.7/5.5x2.5/3.5x1.35/5.5x2.1mm power connector, so as to charge laptop etc Suitable for laptop DC adapter, portable power source and computer maintenance, etc What you get: We provide this 5Pack DC Power Adapter with an 18-Month worry-free period and 24/7 friendly client consultation, if you have any questions, we will resolve your issue within 24 hours 💗 Type: Female to Male DC Power Adapter; Hole Diameter: 3.5mm; Pin Diameter: 1.35mm 💗 Contact part is made of copper material, good conductivity and durable, easy to use, long service life 💗 Convert the power supply with 5.5x2.1mm interface to 4.0x1.7/5.5x2.5/3.5x1.35/5.5x2.1mm power connector, so as to charge laptop etc 💗 Suitable for laptop DC adapter, portable power source and computer maintenance, etc 💗ã€What you get】: We provide this 5Pack DC Power Adapter with an 18-Month worry-free period and 24/7 friendly client consultation, if you have any questions, we will resolve your issue within 24 hours