Features: brand new and high quality Built-in overload, over-voltage for protection, high energy conversion efficiency, friendly to your laptop. Made of premium nylon, it is professional and durable,5.5x2.1mm male input to for DC male output,180cm power cable Suitable for Laptop Notebook Computer,wifi routerand more The magnetic design does not require frequent plugging and unplugging to protect the computer interface. This 5.5x2.1mm male input to for DC male magnetic charging cable strong enough to support max 100W power through, fast charging. Reduce the frequency of connecting and disconnecting. Prevent dust stable connection. Specifications: Material:Nylon Color:Black 2.5mm x 0.7mm for Asu-s 19V 1.58a. etc. 3.0mm x 1.0mm for Acer Ultrabook 3.5x1.35 mm for laptop tablet cellphone 4.0mm x 1.35mm for Asu-s 19V 2.37A, 19V 3.42a 4.0mm x 1.7mm for Lenovo Ideapad 20V 2.25A, 20V3.25A 4.5mm x 0.6/3.0mm for DELL 4.5mm x 0.6/3.0mm for HP 4.8mm x 1.7mm for Hp 18.5V 3.5a 5.5mm x 1.7mm for Acer 19V3.42A 5.5mm x 2.1mm for laptop router and more 5.5mm x 2.5mm for Lenovo Asu s for Toshiba ...... Laptop Adapter 6.0x0.6mm for Sony-laptop Square Plug for Lenovo Thinkpad Yoga 20V3.25A 20V4.5A Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Magnetic Adapter Connector cable