This Product Could Supply Power For Model 40440 Hub Converter ( UGREEN 4 Port USB 3.0 HUB with Phone Holder 4 Port USB 5Gbps Data Transfer USB 3.0 Splitter Power Adapter iMac Surface )Provides 5v dc from usb, power device from usb to dc 3.5mm port; For small electronics and devices that use dc 3.5mm barrels for power cable, Like mobile power, Usb hub, Mp4, Radiator, And others. Ugreen usb dc to 3.5mm cableProvides strong power for usb hub / fan / lamp. Strong power supply support 5v 1a - 5v-2a.Strengthen your hub and ensure stable data transmission for high power devices. Purer sound quality powerful power supply brings your music world.Nickel plated connector durable longer and longer-lasting use, Precision engineering structure with pure copper core, Ensure rapid conduction and steady transmission. USB A 3.0 to USB A 3.0 4 Ports Hub ( 40440 ) ( Not Include USB A to DC 3.5mm Power Supply Cable )The Ugreen Super Speed USB 3.0 HUB is wide application.It is compatible with most of USB devices,Flash drive,cellphone,USB fan,hdd/ssd,USB fan,keyboard,card reader,mouse,printer,USB radiator,game handle. It with high speed,4 x 3.0 ports, with stand, DC5V Make Extension Easier portable and easy to connect USB devices to your computer Easy to Read Multiple Devices the hub need to be powered when connecting hig; Enjoy Flying Speed super transmission & save your time; power devices With Stand Holder user-friendly design & free up your hands LED Indicator Lamp be clear of real-time working status High Performance Chipset ensure quick and stable read/write speed Triple Protection Design reverse current protection,volage overload protectionInrush current protection With Power Supply Interface according to your needs to decide whether to buy power adapter; Wide Application: Hub & Phone Holder, Supports all USB devices, including smartphone, tablet, USB stick, mouse, keyboard, printer, hard drive, wireless adapter, etc. It also works as a perfect stand for watching movies or working with your smartphone positioned correctly or simply to make your desk more tidy. Superspeed 5 Gbps: This USB 3.0 Hub allows data transfer speeds of up to 5Gbps, you can quickly transfer large files, backward compatible with all devices and hosts with USB 2.0 or 1.1.Length: 0.5 Meter Onlycolour: as shownMaterial: ABSPackage Contents:1 x USB HUBOnly the above package content, other products are not included.Note: Light shooting 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.