Omnicharge Tip SetAlready included in Omni 20 Pro BundleDesigned for the Omnicharge, this set provides the most commonly used tips for laptops and devices. Male to Male Cable:5.5 x 2.1 mm to 5.5 x 2.1 mm  Male to Female Adapters (for charging your Omnicharge):5.5 x 2.1 mm to 4.5 x 3.0 mm for Dell Laptops5.5 x 2.1 mm to 4.5 x 3.0 mm for HP Laptops5.5 x 2.1 mm to 5.5 x 2.5 mm universal tip for various devices5.5 x 2.1 mm to Lenovo Square for Lenovo Laptops  Female to Male Adapters (for charging your laptop):5.5 x 2.1 mm to 4.5 x 3.0 mm for Dell Laptops5.5 x 2.1 mm to 4.5 x 3.0 mm for HP Laptops5.5 x 2.1 mm to 5.5 x 2.5 mm universal tip for various devices5.5 x 2.1 mm to Lenovo Square for Lenovo Laptops  Cable details:Color: BlackConnector: 5.5 x 2.1 mmCable Length: 39" / 99 cmWire Gauge: 20 AWG This cable is only compatible with 5.5 x 2.1mm ports and will not work with other sizes. Please make sure the power source supplies the correct voltage. Recommended for use with Omni 20, DC output tips not compatible with Omni 13.