Targus DV4K, Wired, 3.5 mm, Black, Gray, Kensington, AC, DC, 45 W Targus DV4K. Connectivity technology: Wired, Headphone connectivity: 3.5 mm. Product color: Black, Gray, Cable lock slot type: Kensington. Power source type: AC, DC, Power supply: 45 W, Output voltage: 19 V. Mobile operating systems supported: Android. Width: 3.5" (88.9 mm), Depth: 1" (25.4 mm), Height: 6" (152.4 mm)